Pokémon Wiki

Don't like the ads? Then create an account! Users with accounts will only see ads on the Main Page and have more options than anonymous users.


Pokémon Wiki
003Venusaur RG.png This article using an out-of-date infobox.
Please change it to the newer version
009Blastoise RG.png

This Muk is a poison-type Pokémon owned by Ash. It was the ninth Pokémon caught by Ash in Kanto.


The Beginning series

Ash and his friends were traveling through Gringey City, which was in the middle of a blackout. The reason for this is due to the power plant being over run by a gang of Grimer. After the Grimer were defeated, the gang's leader, a Muk, challenged Ash who used Pikachu and a wild Magnemite who had been following Pikachu do to an electrical build-up. After Muk was weakened by Magnemite and Magneton, Ash managed to catch it. However, since its stench could be smelt even through the Poké Ball, Ash sent Muk straight to Professor Oak.[1]

During his stay at the lab, Muk developed an attachment to Prof. Oak and would constantly smother him whenever Ash would make a call to the lab. Muk has been used in only two major battles since it was captured; the first of which when it defeated Jeanette Fisher's Bellsprout in the fourth round of the Indigo League.[2]

Orange Islands

Ash returned Muk to his team for a brief period where it was used to find a large Bulbasaur that was residing in the sewers.[3]

Gold and Silver series

During the Silver Conference, Muk battled against Gary. It actually caused problems for Gary's Blastoise, as it was able to endure all of his attacks with ease, but it was a stalemate, as even it's strongest attack Sludge Bomb was deflected by Rapid Spin. Muk was also able to tank all of his Scizor's attacks as well, but it was thrown into the air and was hit with Swift, which was a 1 hit KO.[4]

Muk has appeared in several of the special episodes. It was shown to crush Butch and Cassidy and the Poké Balls they had stolen. It also crushed Tracey when he opened the door for Delia.[5]

Diamond and Pearl series

Muk was transferred to Ash for a brief reunion, where it smothered Ash upon meeting him again. Muk was not seen on-screen to participate in the Sinnoh Pokémon League.[6]

Black and White series

Ash called Professor Oak to inform him of his loss at the Vetress Conference. However, Muk smothered him in mid-call. Ash was happy to see one of his old friends, but Professor Oak was not happy being crushed.[7]

Sun and Moon series

Muk was later released by Brock to being compared with an Alolan Muk which it was released by Misty. Upon seeing Ash, Muk slumps him down in affection after he reunites with it.[8]

It made a brief appearance with Professor Oak, while observing the Meltan.[9]


Muk reunites with Ash in Advice to Goh!

Known moves

Voice actors


  • Muk has used the least amount of moves out of all of Ash's other Pokémon, having only used three attacks on screen.
  • Ash's Muk has had only one on-screen victory so far, against a Bellsprout.
  • Muk was Ash's first non-Unova Pokémon (excluding Pikachu) to appear in the Black & White series.
  • Muk is Ash's first Pokémon, aside from Pikachu, to appear at least once in every series.
  • Muk is Ash's first pure Poison-type Pokémon.
  • Muk also shares some similarities with Ash's recently caught Gengar. Specifically, they're fully evolved, purple colored, Generation I Poison-types that Ash caught near Vermilion City. They also caused trouble prior to being caught and became very friendly towards Ash after joining his team.