Kimberly Brooks
Buena Girl (voice) (53 eps)
Candi Milo
The Flea (voice) (53 eps)
Carlos Alazraqui
Rikochet (voice) (37 eps)
Michael Donovan
El Rey / Megawatt (voice) (24 eps)
Jason Marsden
Rikochet (voice) (18 eps)
Tabitha St. Germain
Penny Plutonium (voice) (3 eps)
Garry Chalk
El Heystack Grande (voice) (2 eps)
Brian Drummond
Buena Dad (voice) (2 eps)
Colin Murdock
El Cientifico (voice) (2 eps)
Lee Tockar
Los Pantalones (voice) (2 eps)
Nicole Oliver
Chinche (voice) (1 eps)
Richard Newman
El Phantasmo (voice) (1 eps)
Fred Tatasciore
Rudo Claws / Santo Claws / MC Goatlover (voice) (1 eps)
Matt Hill
Timmy of a Thousand Masks (voice) (1 eps)
Janyse Jaud
Dragonfly (voice) (1 eps)
James Arnold Taylor
Kid Wombat Jr. (voice) (1 eps)
Louis Chirillo
King of Radishes / Hobo #1 (voice) (1 eps)
Alessandro Juliani
Hobo #2 (voice) (1 eps)
Sam Vincent
Wilbur (voice) (1 eps)