- John Anderson
- character layout director / animator (39 episodes, 2004-2006)
                    
- Michael Giaimo
- animator: main titles / character designer (39 episodes, 2004-2006)
                    
- Walt Holcombe
- animator (39 episodes, 2004-2006)
                    
- Erik Knutson
- animator (39 episodes, 2004-2006)
                    
- Nate Pacheco
- animator: main titles (39 episodes, 2004-2006)
                    
- Randy Sanchez
- character layout / digital character cleanup / ink and paint (39 episodes, 2004-2006)
                    
- Tim Szabo
- animator (39 episodes, 2004-2006)
                    
- Joseph Adams
- animator / digital character cleanup / ink and paint (38 episodes, 2004-2006)
                    
- Dave Markowitz
- animator (38 episodes, 2004-2006)
                    
- Peter Rida Michail
- animator / character designer / background painter / layout designer (38 episodes, 2004-2006)
                    
- Cathlin Hidalgo-Polvani
- character layout / digital character cleanup / ink and paint (37 episodes, 2004-2006)
                    
- Bradley J. Gake
- layout designer (36 episodes, 2004-2006)
                    
- Frank Forte
- animator (34 episodes, 2004-2006)
                    
- Douglas Gray
- animator (35 episodes, 2004-2006)
                    
- Cesar Henriquez
- animator / digital character cleanup / ink and paint (35 episodes, 2004-2006)
                    
- Frank Montagna
- layout designer (34 episodes, 2004-2006)
                    
- Shakeh Haghnazarian
- character designer (33 episodes, 2004-2006)
                    
- Philip Pignotti
- character layout / animator (31 episodes, 2004-2006)
                    
- Trish Burgio
- background painter (28 episodes, 2004-2006)
                    
- Julia Kalantarova
- background painter (28 episodes, 2004-2006)
                    
- Jill Petrilak
- background painter (28 episodes, 2004-2006)
                    
- Jason Bierut
- animator (26 episodes, 2005-2006)
                    
- Alx Meza
- animator (24 episodes, 2005-2006)
                    
- Keith Holven
- animator (23 episodes, 2005-2006)
                    
- Howie Perry
- animator / character designer (17 episodes, 2004-2006)
                    
- Craig Clark
- digital character cleanup / ink and paint / animator (16 episodes, 2004-2005)
                    
- Douglas Rowell
- animator / digital character cleanup / ink and paint (15 episodes, 2004-2005)
                    
- Erik Girndt
- animator (15 episodes, 2004-2006)
                    
- Michael Polvani
- digital character cleanup / ink and paint / animator (15 episodes, 2004-2005)
                    
- Clifford Parrott
- animator / digital character cleanup (14 episodes, 2004-2005)
                    
- Milton Pool
- animator (14 episodes, 2004-2005)
                    
- Anne Walker Farrell
- animator / layout designer (13 episodes, 2004-2006)
                    
- Aliki Theofilopoulos
- layout artist (13 episodes, 2004-2005)
                    
- Scott Lowe
- animator / ink and paint / digital character cleanup / ink and paint artist (11 episodes, 2004-2005)
                    
- Martin Cho
- animator / ink and paint (8 episodes, 2004-2005)
                    
- Edward Artinian
- animator (7 episodes, 2004-2005)
                    
- Michael Trull
- digital character cleanup / ink and paint (7 episodes, 2004-2005)
                    
- Pam Palma Hayslett
- character layout / character layout artist (7 episodes, 2006)
                    
- David Cutler
- layout designer (5 episodes, 2004-2005)
                    
- Hayk Manukyan
- animator (5 episodes, 2004-2005)
                    
- Eric Higurashi
- ink and paint / ink and paint artist (5 episodes, 2004)
                    
- John Drake O'Day
- digital character cleanup / ink and paint (4 episodes, 2004-2005)
                    
- Robert Lilly
- character designer (4 episodes, 2006)
                    
- Kit Boyce
- background painter (3 episodes, 2004-2005)
                    
- Anette Ahlholm
- background painter (3 episodes, 2005)
                    
- Jennifer Christner
- background painter (3 episodes, 2005)
                    
- Richard Bazley
- animator (3 episodes, 2006)
                    
- Steve Lambe
- character designer (3 episodes, 2006)
                    
- Douglas Gray
- animator (2 episodes, 2004-2006)
                    
- Jezreel Mann Carlos II
- animator (2 episodes, 2004-2005)
                    
- Margaret Trauth
- animator (2 episodes, 2004-2005)
                    
- Jason Plapp
- animator (2 episodes, 2005)
                    
- Andy Bialk
- character designer (2 episodes, 2006)
                    
- Scott O'Brien
- character designer (2 episodes, 2006)
                    
- David Courtland
- animator (1 episode, 2004)
                    
- Mike Kazaleh
- animation director (unknown episodes)
                    
- Chris Reccardi
- layout artist (uncredited) (39 episodes, 2004-2006)
                    
- Lynne Naylor
- main character designer (uncredited) (13 episodes, 2004-2005)