Carlos Alazraqui
Lazlo
/
Clam
/
Chef McMuesli
/
Bear
/
Anteater
/
Milt the Hippo
/
Ben the Hippo
/
Big Horn Sheep
/
Clown
/
Cop
/
Happy Slug
/
Henry McMuesli
/
Hippo
/
Mailman
/
McMeusli
/
Moonstone
/
Mort
/
Pierre
/
Police Officer
/
Scoutmaster Wacky
/
Sheldon the Hippo
/
Speedy
/
Spumoni
/
Tommy
(61 episodes, 2005-2007)