- Joe Boyle
- character concept artist (156 episodes, 2003-2010)
- Kirk Van Wormer
- storyboard artist: opening sequence / storyboard artist (117 episodes, 2003-2009)
- Jason Narvaez
- storyboard revisionist / storyboard artist (47 episodes, 2003-2009)
- Rick Hoberg
- storyboard artist (37 episodes, 2003-2009)
- Francis Barrios
- storyboard artist (34 episodes, 2003-2004)
- Mike Borkowski
- storyboard artist (33 episodes, 2003-2009)
- Fred Reyes
- storyboard artist (33 episodes, 2003-2004)
- Rafael Rosado
- storyboard artist (30 episodes, 2003-2004)
- Chuck Drost
- storyboard artist (29 episodes, 2003-2004)
- Roy Burdine
- storyboard artist (28 episodes, 2003-2004)
- John Fang
- storyboard artist (28 episodes, 2003-2004)
- Jose Andres Velasco
- storyboard artist / storyboard revisionist (27 episodes, 2003-2009)
- Lazarino Baarde
- storyboard artist (26 episodes, 2003-2004)
- Del Barras
- storyboard artist (26 episodes, 2003-2004)
- Will Sweeney
- storyboard artist (26 episodes, 2003-2004)
- Antonio Canobbio
- design supervisor (26 episodes, 2003)
- Tom Morgan
- storyboard artist (25 episodes, 2003-2004)
- Chris Rutkowski
- storyboard artist (25 episodes, 2003-2004)
- Rick Del Carmen
- storyboard artist (24 episodes, 2003-2004)
- James Yang
- storyboard artist (24 episodes, 2003-2004)
- Patrick Archibald
- storyboard artist (23 episodes, 2003-2004)
- Nicholas Filippi
- storyboard artist (23 episodes, 2003-2004)
- Vinton Heuck
- storyboard artist (23 episodes, 2003-2004)
- Renato 'Joey' Otacan
- storyboard artist (23 episodes, 2003-2004)
- Christian Lignan
- storyboard artist (19 episodes, 2004)
- Steven E. Gordon
- storyboard artist (18 episodes, 2004)
- David Hoover
- storyboard artist (18 episodes, 2004)
- Dan Kubat
- storyboard artist (18 episodes, 2004)
- Doug Murphy
- storyboard artist (18 episodes, 2004)
- Brad Rader
- storyboard artist (18 episodes, 2004)
- Bryan Baugh
- storyboard artist / storyboard revisionist (15 episodes, 2003-2004)
- David Chlystek
- storyboard artist (15 episodes, 2003-2004)
- Mario Cabrera
- storyboard artist (14 episodes, 2003-2004)
- Rick Lacy
- storyboard artist (14 episodes, 2008-2010)
- Bob Suarez
- storyboard revisionist (14 episodes, 2008-2010)
- Marcus Williams
- storyboard artist (13 episodes, 2003-2004)
- Nisa Contreras
- design coordinator (13 episodes, 2008-2009)
- Larry Houston
- storyboard artist (11 episodes, 2003-2009)
- Ed Nebres
- storyboard artist / storyboard revisionist (11 episodes, 2003-2009)
- Shannon Denton
- storyboard artist (11 episodes, 2003-2004)
- Tom Connor
- storyboard artist (10 episodes, 2003-2009)
- Victor Dal Chele
- storyboard artist (10 episodes, 2003-2004)
- Lyndon Ruddy
- storyboard artist (10 episodes, 2003-2004)
- Michael Manley
- storyboard artist (9 episodes, 2003-2004)
- John Nevarez
- storyboard artist (9 episodes, 2003-2004)
- Dennis Woodyard
- storyboard artist (8 episodes, 2003-2004)
- Alan Wan
- storyboard artist (7 episodes, 2003-2004)
- Michael Wetterhahn
- storyboard artist (7 episodes, 2006-2009)
- Edward Laroche
- storyboard artist (6 episodes, 2003-2009)
- Juston DeCristofaro
- storyboard cleanup (6 episodes, 2003-2007)
- Will Meugniot
- storyboard artist / storyboard cleanup (5 episodes, 2006-2009)
- Romeo Francisco
- storyboard artist (4 episodes, 2003)
- Hank Tucker
- storyboard artist (4 episodes, 2003)
- Dave Rodriguez
- storyboard artist / storyboard revisionist (3 episodes, 2003-2009)
- Steve Remen
- storyboard artist (3 episodes, 2003)
- Dave Simons
- storyboard artist (3 episodes, 2003)
- Wayne Wolfe
- storyboard assistant (3 episodes, 2003)
- Otis Brayboy
- storyboard artist / storyboard clean-up supervisor (2 episodes, 2003-2008)
- Abigail Nesbitt
- storyboard artist (2 episodes, 2008-2009)
- Tae Ho Han
- model designer: Dong Woo Animation (1 episode, 2003)
- Kyoung-Pyo Hong
- model designer: Dong Woo Animation (1 episode, 2003)
- Mi Ok Jeon
- ink and paint: Dong Woo Animation (1 episode, 2003)
- Kyoung Sook Kim
- ink and paint: Dong Woo Animation (1 episode, 2003)
- Dae-Hyeok Na
- ink and paint: Dong Woo Animation (1 episode, 2003)
- Chris Smith
- storyboard artist (1 episode, 2003)
- Ok-Ja Yoo
- ink and paint: Dong Woo Animation (1 episode, 2003)
- Adrian Barrios
- storyboard artist (1 episode, 2008)
- Andrew Bradshaw
- storyboard artist (1 episode, 2009)
- Matt Peters
- storyboard artist (1 episode, 2009)
- Tom Ryder
- storyboard artist (1 episode, 2009)
- Clint Taylor
- storyboard artist (1 episode, 2009)
- Darcy Vorhees
- storyboard artist (1 episode, 2009)
- Peter Laird
- character designer (uncredited) (1 episode, 2003)
- Jim Lawson
- character designer (uncredited) (1 episode, 2003)
- Eric Talbot
- character designer (uncredited) (1 episode, 2003)
- Scott Bern
- storyboard artist (uncredited) (1 episode, 2009)
- Ron Myrick
- storyboard artist (uncredited) (1 episode, 2009)
- Ralph Zondag
- storyboard artist (uncredited) (1 episode, 2009)
