Bonkers

Bonkers is a large gorilla-like sub-boss from the Kirby series that first appeared in Kirby's Adventure. He attacks by using his giant hammer and throwing coconuts. Kirby can swallow Bonkers to copy the Hammer ability. In Kirby Super Star and its remake Kirby Super Star Ultra, Bonkers is one of the enemies that can help Kirby.

Bonkers also appeared in one episode of the anime Kirby: Right Back At Ya!, where he works in a circus. He is a fan of Kirby and went after him to train, becoming his friend. While Bonkers was in Dream Land, King Dedede tried to make him fight against Kirby by turning him into a monster, but later he returned to normal. Bonkers left the town in the end of the episode.

In Super Smash Bros. Brawl
Bonkers appears as a trophy and sticker in Super Smash Bros. Brawl.

Trophy Description
''A large enemy who wields a giant hammer as a weapon. Bonkers battles you with several moves -- his hammer attack and coconut throw could be considered his specialities. Kirby can inhale Bonkers to learn Hammer and Smash techniques. Not many know this, but Hammer Kirby can also break walls and pound down stakes.''
 * Kirby's Adventure
 * Kirby: Squeak Squad

Hacking
Hacking in the enemies file package of the Brawl disc has revealed data that appears to have been made for Bonkers, suggesting that he was planned to be included in the Subspace Emissary as an enemy.