Giant Bear

The giant bear played a minor role in "His Hero". In a flashback, he was fought by Billy, the role model of Finn and Jake. Jake seemed especially excited about the time Billy fought it.

Appearance
He looks like a round, chubby, mutant teddy bear, seeming to levitate around like a balloon. He never moved any part of his body during the flashback because he was only floating. He is also extremely huge, since when Billy was approaching, his size seemed to grow or he as also approaching