Brock is originally the Gym Leader of Pewter City Gym but he decided to follow his dream to become the greatest Pokémon Breeder he can be. After his defeat from Ash Ketchum, he quickly gave up his title. He accompanied Ash on his journey for quite some time, all while trying to live up to his goal. He currently wishes to be a great Pokémon Doctor.
Brock's most notable feature about his appearance is his eyes naturally appear closed. The rare times people see them open are when they are forced open unnaturally, such as these examples from what happened in the anime: a hit from Charmander's Flamethrower in The Ninja Poké-Showdown, when being hit in the back of the head by Arbok's tail in Who Gets to Keep Togepi?, and when he makes a face for Larvitar in A Crowning Achievement. This has been the center of fan attention for a long time. He also has spiky brown hair and tan skin, notably darker than the skin of any other major character in the anime (until Iris in the Best Wishes series).
Along with Tracey, Cilan, and Kiawe, Brock is the tallest of Ash's traveling companions and the closest to looking like an adult. Next to actual adult characters, however, it is clear that he is still a teenager. Not counting temporary outfits, he has worn three different outfits, all of which have had the colors orange, green and brown with blue shoes.
In the Original Series, he wore an orange t-shirt, a lime green cargo vest with 4 pockets, a dark brown belt with a gold buckle and dark red pockets, brown jeans, and blue-gray sneakers with white trim.
His original outfit is also seen during flashbacks throughout the anime series' run.
In the Advanced Generation Series, he appeared in a new outfit, which consisted of a brown short-sleeved jacket with orange trim, a green short-sleeved undershirt, grayish-brown cargo pants, and indigo sneakers with light blue trim.
Diamond & Pearl
In the Diamond and Pearl series, he wears yet another new outfit, consisting of a green collared shirt, an orange vest with brown trim, khaki pants with knee stitching, and blue high-top sneakers.
Sun & Moon
In the Sun & Moon series, Brock's old outfit in the Original series has minor changes. His lime green cargo vest lacks the two pockets in the edge of both sides making his vest turned into a denim vest.
During the Gym battle against Kiawe as he mega evolves his Steelix into Mega Steelix, Brock was in shirtless which he removes both his lime green vest and his orange t-shirt making him resemble his counterpart in both games, Pokémon Red and Blue as he reveals to wear a necklace with a Key Stone embedded as a pendant where he later removes it to activate his Key Stone to Mega Evolve his Steelix.
During his and Misty’s visit in Alola, he wears a cloudy blue sky and plain landform-theme buttoned shirt, beige short pants and blue shoes.
Brock is considered the most mature, wise, and levelheaded of the main characters and he is arguably the most intelligent character as well. He often acts as an older brother and caretaker to the other characters and a voice of reason in disputes. He will usually place others before him and will help and support his friends even against his better judgment or at his own expense. While he is not shown to battle often, he can understand the situations and strategies in any Pokémon battle, and often explains them to the other characters, probably because he was once a Gym Leader. His wisdom is possibly derived from how observant he is; he can tell just by sight how a Pokémon is feeling.
Brock always carries books and maps with him and thus, is usually the character who knows where the group is headed and what they can do when they get there, though in the Advanced Generation series this role was mostly taken over by Max, who owns a PokéNav. He also carries a lot of other supplies, such as Potions, Pokémon food, and a set of cookware, as well as practical tools like a brush and pocket knife; in The School of Hard Knocks, the extent of his preparedness and comically large capacity of his bag was demonstrated, as he pulled a table and full tea set out of his backpack. He is a domestic, and grooms not only his Pokémon but also those of his friends with whom he travels. He handles all the cooking and cleaning for his friends.
Despite this, all his maturity and rationality leaves him completely when he catches sight of a beautiful woman. Brock has a desperate need for female companionship, which grows worse as he fails to gain it. He will do anything and everything he thinks will impress women, which inevitably ends with his heart being broken every time. A few women have shown interest in him as well, such as Wilhelmina, Temacu, Natalie, Lucy, Holly, Autumn, Narissa and Lizabeth, but most others do not notice him or are not interested.
No matter how many times he is disappointed, though, Brock remains determined to find a girl to start a relationship with and has indicated several times he would stop traveling with Ash and stay with the girl if this happened. He also likes both Nurse Joy and Officer Jenny. This behavior tends to wear on the nerves of his friends or others around him, especially Misty and Max who both commonly dragged Brock away from women by his ear. Some of Brock's own Pokémon, most notably Croagunk, have attacked him for getting too flirtatious with women and dragged him off as well as punishment for his behavior.
His goals have played a passive role in his character's activity and development, and his role has generally been one as support for other main characters, usually contributing more in terms of wisdom and comedic antics than the action of the series. Unlike other characters, who aspire to achieve and excel in competitive fields like Pokémon training and Pokémon Contests, his aim to become a great Pokémon Breeder is a quiet one and thus does not get showcased frequently. This caused him to question if he was actually pursuing his dreams like his friends were near the end of the Diamond & Pearl series and ultimately lead to him deciding to become a Pokémon Doctor instead. His other goal, to find a girlfriend, is similar to Team Rocket's quest to capture Pikachu, in which both are for comedy and thus doomed to fail.
Upon his family, he is very caring towards his siblings including his younger brother, Forrest and has a great respect for his father, Flint. In A Family that Battles Together Stays Together! and Grating Spaces! He also shows his anger and disdain towards his mother, Lola who is responsible for remodeling the Pewter Gym into an aquatic gym, as well as her ditzy behavior.
Brock has skillful knowledge about Pokémon, due to being a former Gym Leader also his knowledge about them is the reason why Uxie chose to connect with him, which makes his battling skills very amazing as well.
He can cook awesome food for people and Pokémon, who all love it, also he has good fishing skills, sewing skills and cleaning skills.
Flint and Lola
Brock does care about his parents but he gets annoyed with them from time to time. Also, Brock doesn't like when his parents leave him to take care of their home. Brock has great respect for his father and appreciates what his mother does for him.
Brock greatly cares for his siblings and always looks out for them. In addition, Brock would do anything to make his siblings happy and gives his support for them.
Steelix was Brock's first Pokémon, partner and shares a strong bond with it as he has it since it was an Onix. Brock encourages Steelix and will always relies on it due to being his ace battler. Seeing that it could help his family, Brock left Steelix with his family but when he returned home during his second tour of Kanto he noticed that it evolved while he was away. Also, Brock and Steelix can do Mega Evolution together.
Geodude is one of Brock's Pokémon and they have a close relationship with each other. Brock does sometimes calls on Geodude for help in battle or for other things from time to time.
Brock and Ash are best friends as they traveled a lot together, Kanto and Johto through Sinnoh. Also, Brock has been a big influences on Ash as he mentor him on being a Pokémon Trainer. Brock supports Ash and respects his beliefs on raising Pokémon. Also, Brock and Ash don't usually fight with each other but they sometime had small fallouts as they makeup pretty quickly in the end. However, during their time in Johto, They nearly lost their friendship when he believed alongside Misty about Ash being a cheater when their friend Casey accused him of being one but they mend their friendship when they realize that Team Rocket tricked them all. At times, Brock helps Ash see through his mistakes and they have practices battles together.
Misty is Brock's other best friend as he helps her keep her cool whenever she loses her temper. Brock gets annoyed when Misty pulls him away from girls but he has done the same to her whenever she gets overly excited about Water-Type Pokémon, thus almost making her realize how her pulling him by the ear made him feel.
At times, Brock and Misty don’t usually fight with each other but they do have small fallouts from time to time but they easily get over it. Also, Brock and Misty respect their knowledges and skills as Pokémon Trainers.
Brock first meet Crobat when it was Zubat at Mt.Moon and caught it before he and his friends enter the mountain. They share tight knit bond for each other and care very much about each other. After evolving into Golbat, Brock got sick and it alongside Frorretress during its days as a Pineco never left his side until he got better. When it evolved into its final stage, Brock call upon Crobat for help in battle or to look around, although he has done it during its pre-evolved forms.
Brock first meet Vulpix when it was with Suzie and took a liking to him. When Suzie asked him to take care of her Pokémon as she told him that he was the first person other then her that it ever been friendly with, Brock accepted her request and happily took Vulpix under his care. Brock grooms Vulpix whenever he could and has a good relationship with it. However, Brock knew he had to return Vulpix to Suzie and when that time came he was grateful to its trainer for letting him take care of it for so long. Despite being back with Suzie, Brock knew in his heart that he and Vulpix will always be friends no matter what.
Despite not getting enough time to get to know each other, Brock and Tracey were able to hit off a friendship with one another. Brock respects Tracey as a Pokémon Watcher.
Instantly, Brock wanted to catch Forretress during its time as a Pineco and even told it after he catches it that they were gonna be pretty good friends. Brock at times get explored around Forretress but stop doing it after evolving. Also, Brock would risk his safety to protect Forrestress and it would do the same for him as he even would stand by his side.
Brock is close friends with May as they would go shopping together in some towns and cities while Ash and Max went do their own thing. Like he helped Ash, Brock mentor May in becoming a Pokémon Trainer and supported her goal of becoming a Pokémon Coordinator.
Brock is great friends with Max as he gives him great advice on how to become a Pokémon Trainer one day. Like he gets annoyed when Misty pulls him away from girls, Brock gets annoyed when Max pulls or drags him away from them.
Brock first meet Ludicolo when it was a Lotad and showed how to properly use one of its moves. When he and his friends were leaving, Brock noticed that Ludicolo wanted to go with him which he happily accepted and they became friends. After evolving into Lombre and into its final stage, Brock call upon a lot more during the rest of his journey in Hoenn. Seeing that Ludicolo got along with his family, Brock decided to let it stay with them.
Brock first meet Marshtomp when he was a Mudkip but he didn't take to him at first but after saving him from getting washed away is when he started to trust him. After that, Brock and Marshtomp formed a close bond with each other. Brock call upon Marshtomp to help look for things but that was shown during his time as a Mudkip. When he evolved, Brock was excited that Marshtomp wanted to date a girl's Flaaffy while he wanted to date its trainer but they were both pulled by Max and May at the same time. Also, Brock has Marshtomp help him in battle more then he did when it was a Mudkip.
Brock has had Sudowoodo since he was a Bonsly and noticed that he was still a baby Pokémon as he had to fed it a bottle for food. Seeing that he was alone, Brock asked Sudowoodo if he wanted to come with him which he accepted but not before battling him first. After battling and catching him, Brock and Sudowoodo formed a bond with each other. After evolving, Brock calls upon Sudowoodo for battle at times due to growth in strength.
Brock and Dawn are great friends with each other. Thanks to his experience in helping May become a Pokémon Coordinator, Brock was able to help Dawn become a great Coordinator and even taught a lot about first aid, especially with Pokémon. Also, Brock helped Dawn on the Pokémon Trainer side as well.
Brock and Croagunk instantly bonded with each other when they first meet as he saw something in him along with him. Although, Brock get upset when Croagunk Poison Jams him and takes him away from girls. However, Brock remains close with Croagunk and he does call on him for battle from time to time.
Brock received Chansey when she was an egg and hatched into an Happiny. Also, Brock and Chansey instantly became close friends after meeting one another. At times, Brock calls on Chansey to help lift heavy objects. After evolving, Brock had Chansey heel some sick Pokémon.
Brock and Kiawe are very good friends even thou they share a friendly rivalry with each other. Also, Brock is impressed with Kiawe's family farm due to all the Pokémon living their being raised really well.
Brock received Comfey from the Melemele Island's Nurse Joy as thank you for his help. Instantly, Brock and Comfey became good friends.
When Ash arrives in Pewter City, following getting his Pokémon healed at the Pokémon Center by Nurse Joy, he travels to the Pewter City Gym to face Brock for his Boulder Badge. However, due to Brock specializing in Rock-type Pokémon, Pikachu is no match for Onix, and Ash is forced to surrender the match. After Ash loses to Brock, a stranger offers to help make his Pikachu stronger. Pikachu (after being hooked up to a local hydro-power station) becomes stronger and manages to defeat Geodude, but Onix remains too strong. Onix has Pikachu in a body bind; however, Pikachu's previous electric attack ravaged the gym, which set off the fire sprinklers, weakening Onix. Though Pikachu is able to then damage Onix further, before Ash can deal the finishing blow, he is restrained by Brock's younger siblings, demanding he leave Onix alone, before Brock orders them to stand down. Though Ash technically won, he declines the badge on the grounds that he unfairly beat Brock, but Brock later catches up to him and presents him with the Boulder Badge anyway, saying that he wants Ash to fulfill his dream of becoming the best. The stranger that first helped Ash reveals himself to be Brock's father, Flint. Flint has a tendency to keep people in the dark about who he is.
After entrusting Flint with taking care of the gym and the rest of his siblings, Brock is now free to train himself and joins Ash and Misty on their journey. Since then, he travels with Ash and Misty on his many adventures. In the Orange Islands series, he leaves the team to join Professor Felina Ivy but mysteriously returns to Pallet Town when Ash wins the Orange League Championship. When asked what happened, Brock just rolled up into a ball and replied, "I don't wanna talk about it" or "Don't mention that name". This would happen every time someone mentioned Professor Ivy. Rejoining Ash and Misty, Brock travels to Johto, where he continues to help Ash and Misty. Upon the conclusion of the Silver Conference, the three part ways, Brock heading back to Pewter City. It is there (in an episode of Pokémon Chronicles) that he discovers his estranged mother Lola (Mizuho in the original), who, because she is a Water-type Pokémon Trainer, has ruined the reputation of the Gym he defended so long ago and had ended up filling the gym with water (causing Brock to comically freak out and keep repeating "A LAKE!!!" when he first sees it).
By defeating his mother, he restores the Gym's reputation and proceeds to leave all his Pokémon (except Forretress) to his younger brother Forrest, before departing for the Hoenn region, where he catches up with Ash and his two new friends, May and Max.
The group travel across Hoenn and then return to Kanto to participate in the Battle Frontier. The group went their separate ways and Brock met up with Ash in Sinnoh. While there, they meet a new coordinator named Dawn and her partner Piplup, who joins them on their journey through Sinnoh.
During this time, both Brock's father, Flint (Munō in the original, who was also Brock's predecessor as Gym Leader), ran off again, and his oldest younger brother Forrest (Jirō in the original) took the role of Gym Leader in Pewter City, as well as the responsibility of caring for his many other younger siblings. Brock is the oldest of ten siblings, with five brothers and four sisters.
Brock is always well-equipped and is sometimes the voice of reason when Ash and Misty (and later, May and Dawn) get into an argument. He is also hardworking and is always willing to help others. Coupled with his experiences in taking care of others, Brock often prepares food and does most of the chores for the main characters. Brock is also exceptionally good at making food for Pokemon.
At the end of the Pokémon: Diamond and Pearl series, Brock aspires to become a Pokémon Doctor, and work alongside Nurse Joy. After departing from Ash and Dawn, Brock returns home to Pewter City to train to become a Pokémon Doctor.
In the Pokémon: Diamond and Pearl Special Episode 2, he's revealed to have photos of Ash, Misty, May, Max, Dawn, Piplup, and Pikachu to remind him of how much fun it was traveling with them. He also chooses his brother Forrest to replace him as Gym Leader so he can study to become a Pokemon Doctor.
In the Best Wishes episode Expedition to Onix Island!, Brock was mentioned by Dawn during their lunch break at the beach as Cilan wants to know who he is. Ash finally tells Cilan and Iris about Brock as his previous traveling companion and he currently studies as a Pokémon Doctor.
Brock was last seen along with Misty, May, Max and Dawn in The Dream Continues! when Ash remembers his friends throughout his journey before falling asleep for his next journey in the Kalos region.
In the Black and White Special, he encounters Cilan in a small town. He helps treat Pansage after it got hurt fighting a Gyarados. The two form a fast friendship and work together as they help Gyarados. As they part ways, they both realize they never asked for each other's name.
In the Sun & Moon series, Brock returns alongside Misty when Ash returns to Kanto along with his new Alolan friends in the Alola region as one of the special guests for their special curriculum class. Brock was first seen introduced himself to Lillie as a Pokémon doctor in-training while checking up Lillie's Alolan Vulpix who is discomfort from motion sickness. Brock tells her that her Vulpix will be fine which she thanked him for his actions. Upon his reunion with Ash, Brock flirts with a flight cabin attendant only to be pinched in the ear by Misty who scolds him that they came here to see Ash not to act like an idiot. Both he and Misty finally introduced themselves to Kiawe, Mallow, Sophocles, Lana, and Lillie. Both guide them within Professor Oak's laboratory and also release some Pokémon including his Geodude along with the Alolan ones who were released by Misty. Brock also restrains the Marowak he releases due to the strong rivalry towards Kiawe's Alolan Marowak but their rivalry never came to a halt. As everyone splits up to find Kiawe's Marowak and Lana's Popplio, Ash recalls to them about their previous journeys in Kanto and Johto regions until his reunion with his Bulbasaur. After finding both of their Pokémon, they were caught by the Meowth robot manned by Team Rocket. Brock and Misty release both Crobat and Staryu to aid Ash's Lycanroc to fight the robot as he let his Crobat unleashes its powerful Supersonic to counter Meowth's control allowing both Lycanroc and Staryu to destroy the robot with Accelerock and Bubble Beam before Bewear catches them in flight. He was among with the others who were put to sleep by Jigglypuff's Sing who emerges from the destroyed Meowth robot.
After the incident, they are seen eating at sunset during their welcoming party until the next day they bid farewell to both Delia and Professor Oak to depart to Cerulean City by bus where he is being asked by Ash about who runs the Pewter City Gym which he confirms that it was operated by his younger brother Forrest. When Misty reveals that her three sisters were absent at the Cerulean City Gym due to their travels, Brock becomes depressed as everyone gives him a hearty laugh.
Brock later battles both Sophocles and Lillie in a handicap by using his Geodude at the newly rebuilt Cerulean City Gym. Brock also tells Sophocles that electric attacks won't work on the ground type when he mistakes his Geodude being an Alolan type. When Lillie's Alolan Vulpix unleashes its Powder Snow, Brock let Geodude unleashes its newly learned Gyro Ball to disperse the attack, surprising them both.
Later on, Brock battles against Kiawe who releases his Turtonator in a Gym battle as he releases his Steelix. Ash was surprised to see Brock is even stronger than before as he cheers him and Kiawe on in the battlefield. His Steelix manages to withstand Turtonator's Flamethrower as takes it down using it's newly learned Gyro Ball followed by both Bind when it caught off guard and damaging it with Dig who attempts to use Dragon Tail. Brock taunts Kiawe for being desperate to win as he was knowledgable about the Z-Moves and wants to show his full strength. He later removes his vest and shirt to reveal his necklace with a Key Stone embedded as a pendant as he rips it to mega evolve his Steelix into Mega Steelix much to Kiawe's horrible shock. Despite his efforts to beat his Mega Steelix with Turtonator's Inferno Overdrive, Brock confidently let his Steelix to use his Stone Edge to defeat it immediately. Brock later serves as a referee in the battle against Ash and Misty. When Ash and his friends are about to return back to Alola, Brock gives Sophocles and Kiawe some Boulder Badge despite the latter's loss in their Gym battle. But before they depart back to the Alola region, Ash tells him and Misty to visit him sometime at Alola which they agreed.
Brock and Misty return to visit Ash and his friends in Alola after their classes in Pokémon School. When visiting the Pokémon Center, he became lovestruck on Nurse Joy only to be pinched in the ear by Misty. Brock then decides to stay at the Pokémon Center to help Nurse Joy. It was revealed that working at the Pokémon Center was harder than he thinks. Because of his assistance, Nurse Joy gives him a Comfey as a token of gratitude. After Ash and the others defeated Team Rocket, Brock sets up a tent outside on Professor Kukui's house to wait for Ash and Misty and he prepares a stew for dinner. As they arrived to see him, Misty's Psyduck pops out on her Poké Ball to eat their dinner much to Misty's annoyance.
The next day everyone compliments on Brock's cooking before visiting Kiawe's farm in Akala Island. When a wild Kangaskhan is defending it's child due to its injuries, Brock decided to tame it by releasing his Comfey given to him by Nurse Joy to soothes them with its move. Despite being scratched by a Kangaskhan, Brock manages to tame it so that its child be treated its injuries. Upon Olivia visits Ash and the others, Brock became lovestruck towards her as Olivia begins to have feelings towards Brock but was pinched in the ear by Misty. He and Olivia battle one-on-one between her Lycanroc and his Sudowoodo and the fight begins. Their fight were interuppted by Team Rocket who captures Ash and the group including their Pokémon. He and Olivia teamed up to fight the gigantic Team Rocket's Meowth robot by letting Lycanroc and Sudowoodo to hit it with Rock Slide and Low Kick combination. Brock then joins up with Olivia to unleashed the Z-Move Continental Crush in a heart shape to smash the robot in explosion before Bewear and Stufful took Team Rocket away and rescues Ash and the group including their Pokémon. Afterwards, they watched the fireworks display before he and Misty decided to return back to Kanto.
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Over the course of the series, there have come to be a couple of recurring gags related to Brock that has become quite prominent.
One of the most notable running gags in the anime is that Brock makes advances and goes virtually love sick crazy on every girl his age or older, and is usually met by rejection, confusion, or being dragged away from them by Misty, Max, or his Pokémon, Croagunk. One of the several exceptions was Professor Ivy, the Pokémon Professor from the Orange Islands, with whom he spent some time away from the show. He later returns but refuses to explain why he left her, simply saying "Don't mention that name!" Pike Queen Lucy of the Battle Frontier in Tohjo Falls seems to have a liking towards Brock (partially because she has a soft spot for Pokémon with squinty eyes) almost traveling with him before Max interrupts. Other girls who had feelings for Brock include Wilhomena, Temacu, Natalie, Autumn, Narissa, Lizabeth and Holly. In the Sun & Moon series, the Kahuna Olivia also has feelings for Brock despite the latter became lovestruck on her appearance.
His crushes include the various Nurse Joys and Officer Jennys, which he can differentiate with ease based on very perceptive but minute observations. Because of this, he can spot imposter Joys and Jennys instantly. Other crushes are Rhonda, Rhoda.
Another one of the notable running gags is how Brock is forced to entertain an audience while other characters retrieve something which would typically be another Pokémon that would have been putting on a show for the current audience that has likely been stolen by Team Rocket. During the cases in which he does, such as he repeats one song (usually an English version of "Takeshi no Paradise", one of the Japanese ending themes) ad nauseam to the point that he is either booed offstage or loses interest in singing. He once revealed that the reason why he sings that song over and over is that it's the only song he knows. After Ash finished the Sinnoh league, Ash and Brock left back to Kanto and went their separate ways. In the Pokémon DP Special Episode 2, Brock is shown studying to become a Pokémon Doctor, and even has photos of Ash, Pikachu, Misty, May, Max, Dawn, and Piplup, reminding himself of how much he misses all of them.
At Pewter Gym
Caught for someone else
- P1 Grand Prix: Eliminated
- Big P Pokémon race: Disqualified (Onix wouldn't go in water)
- Pokémon Beauty Contest: N/A with Suzy
- Pokémon balloon race: Winner with Ash and Misty
- Pokémon Orienteering: N/A
- Pokémon Contests
- Gardenia Contest: Runner-Up
- Pokémon Dress-up Contest: Winner
- Hearthome City Tag Battle Competition: Top 4 with Holly
- Pastoria Croagunk Festival: N/A
- Twinleaf Festival Battle tournament: N/A
- Eric Stuart (Seasons 1-8, Movies 1-8, Pokémon Chronicles, Mewtwo Returns) (4Kids)
- Page 322 of "John Willis' Screen World" published in 2003 by Applause Books, says "Eric Stuart (Brock Harrison/James Morgan of Team Rocket)" supports Brock's surname being Harrison.
- In a July 2006 interview with K-Zone Australia, Stuart purportedly said "Brock's last name is Harrison."
- Bill Rogers (Seasons 9-13, Seasons 16-20, Movies 9-13, The Mastermind of Mirage Pokémon) (PUSA/DuArt)
- Eric Stuart (Seasons 1-8, Movies 1-8, Pokémon Chronicles, Mewtwo Returns) (4Kids)
- Japanese: Yūji Ueda
- German: Marc Stachel
- Dutch: Fred Meijer
- Italian: Nicola Bartolini Carrassi (Season 1 - 2); Luca Bottale (Season 3 - 13)
- Greek: Charis Grigoropoulos
- Brazilian Portuguese: Alfredo Rollo
- Swedish: Mattias Knave
- Arabic: Rafat Pazo
- Bulgarian: Alexander Voronov
- Mandarin: Fu Shuang, Liang Xingchang, Yu Zhengsheng
- Finnish: Jari Salo, Juha Paananen
- Korean: Ku Ja-Hyeong, Byeon Yeong-Hyi
- Croatian: Igor Mešin
- Danish: Peter Holst-Beck
- Czech: Martin Pisarik, Jan Maxian, Michal Holan, Jiri Balcarek
- French: Laurent Chauvet (Season 1-8), Antoni Lo Presti (Season 9-13)
- Norwegian: Eirik Espolin-Johnson, Erik Skold
- Filipino: Julius Figueroa
- Hebrew: Guy Roshiniak
- Polish: Marek Wlodarczyk (Season 1-9, 11-13), Waldemar Barwinski (Season 10)
- Hungarian: Sotonyi Gabor
- Canadian French: Martin Watier
- Portuguese: Peter Michael (Season 1-2), Rui Quintas (Season 3-9), Luis Barros (Season 10), Pedro Almendra (Season 11-13), Vitor Emanuel
- Indonesian: Dicky Rahman (Season 1-2), Dendry Patma (Season 3-10), Kamal Nasuti (Season 11-13)
- Russian: Dimitrii Zavatskii
- Spanish: Javier Balas, Sergio Sanchez
- Thai: Nirand Bunyaratpan
- Latin American Spanish: Gabriel Gama (season 1-10, 13-present), Jose Antonio Macia (one scene of EP164), Alan Prieto (season 10-12), Arturo Mercado Jr. (Movie 4-5)
- Turkish: Tugay Erverdi
- Hindi: Abhishek Singh (Cartoon Network dub), Uplaksh Kochhar (Hungama dub)
- Brock's personality reflects Uxie's one; the Knowledge Pokemon.
- In the Pokémon DP Special, Brock has photos of Ash, Misty, May, Max, Dawn, Pikachu, and Piplup to remind him of his past journeys through Kanto, Johto, Hoenn, Kanto's Battle Frontier and Sinnoh.
- Brock is a very talented cook, especially when it comes to making food for Pokémon (this is related to the fact he is a Pokémon Breeder).
- In the episode "A Crowning Achievement", Brock actually temporarily opens his eyes in a flash second to try to cheer up Larvitar.
- Brock's eyes are rarely open, excluding the examples shown.
- At the beginning of the anime, Brock didn't show a lot of interest in girls. After a while, he finally shows it.
- Brock has appeared in every series except Best Wishes and XY, although he only appears in flashbacks with Dawn and Ash.
- As seen in the episode "Taming of the Shroomish", Brock is apparently afraid of ghosts. While he and May were shopping, she heard of a haunted mansion. He was terrified just hearing about it, and, while May was overjoyed, she literally had to drag him there. Whenever he heard somebody talking about ghosts, he leaned away. He was afraid of the mansion and showed dismay and horror when they talked about advancing inside. He was fine once he found out that the ghosts were actually Shroomish, though. He was also fine on Ghoul Daze!, among other episodes.
- Brock's real dream is to become a Pokémon doctor. However in "Jirachi: Wish Maker", he said he wanted to become a magician because he could make "beautiful girls appear out of thin air".
- He can notice the small things that make each Nurse Joy and Officer Jenny physically different.
- It is said that Brock was taken out and replaced with Tracey due to the notion that he would be racially insensitive to Pokémon's growing worldwide audience. When it was revealed that said notion wasn't the case at all, they put him back in for Johto.
- Brock is currently the only travelling companion, other than Ash, to travel with all the main female travelling companions who are the playable character in the main game, with the exception of Serena in X and Y.
- In the anime, Brock owns both Geodude and Onix during Gym battles. The other one is Roark.
- Brock is the first main character to use Mega Evolution.