Christian J. Simon

as Gilbert

as Additional Voices (voice)

as Gilbert

as Self (1 episode)

as Darwin Watterson (voice) (8 episodes)

as Self

as Freddy the Flamingo (voice) (10 episodes)

as Darwin (voice) (6 episodes)

as Freddy the Flamingo (voice) (150 episodes)

as Leo Webb (63 episodes)

as Self (1 episode)

as Lil Jimmy McGurgan (1 episode)

as Donny (1 episode)

as Lil Chris (1 episode)

as Greg (1 episode)

as Additional Voices (voice) (1 episode), as Shady (voice) (1 episode)

as Darwin Watterson (voice) (44 episodes)