Aipom

Aipom (エイパム Eipam) is a -type Pokémon introduced in Generation II.

It evolves into Ambipom by leveling up while knowing the move Double Hit.

Appearance
Aipom resembles a purple squirrel monkey with its face forever frozen in a maniacal grin similar to that of the cymbal banging monkey toy that can be described in a rictus and a blank stare from its round eyes. On its thin tail is that is a three fingered hand-like appendage dexterous. It provides both propulsion and balance while Aipom leaps from tree to tree.

Biological characteristics
Aipom is a type of monkey that spends most of its time in the trees. It uses its tail to swing from tree to tree, picking fruit, and handling other objects. Because its tail gets so much more use, its hands are less dexterous a result. Aipom is a pre-evolved form of Ambipom.

Anime
It all started when Ash's hat is taken away by the tail of a wild Aipom. In the end, Aipom liked Ash and become his trainer. Aipom is a very cheeky Pokémon, just like a monkey. Aipom likes to take Ash's cap, which makes Ash very annoyed. When Aipom got experienced in the Pokémon Contest as an audience, it got inspired by it. Sometimes when Ash uses Aipom, Aipom will use his power like in a contest, for example, the move Swift.

When Ash decided to leave his home in Kanto and board the ship to Sinnoh, he originally wanted to take only Pikachu with him. But Aipom tagged along and then traveled to Sinnoh with him.

When Ash is training his Aipom together with Dawn's Buizel, Aipom is distracted by the Buizel's move and get inspired by it. On the other hand, Buizel wanted to get stronger not through contest. After talking to Zoey, Ash and Dawn decided to trade off Aipom and Buizel. Now, Dawn has an Aipom, which have already evolved into an Ambipom.

Origins
Aipom appears to be based off of a monkey, and its tail bearing the resemblance of a hand.

Name Origin
Its name could possibly be a combination of the words ape and palm, referring to its hand-like tail.