Gumball, is a mischievous, imaginative, and highly energetic blue cat boy. He has blue hair and blue cat ears and tail. His adoptive brother/ best friend- is Darwin- a fish with legs!!

Darwin Watterson is the optimistic, empathetic, and loyal adoptive brother of Gumball. Initially a pet, he is a naive but sweet character who strives for happiness, acts as a moral compass, and often acts as a supportive sidekick, though he can be possessive or become aggressive when pushed. He has warm skin and often wears a fish themed orange hoodie.