- Jan Browning
- animation checker / animation checking (51 episodes, 1995-2002)
- Brenda Brummet
- animation checker / animation checking (51 episodes, 1995-2002)
- Lisa Leonardi-Knight
- mark-up / mark up / paint (51 episodes, 1995-2002)
- Eric Nordberg
- mark-up / paint / painter (49 episodes, 1995-2002)
- Karl Jacobs
- animation checker / animation checking (47 episodes, 1995-2002)
- Kim Dahl
- mark-up / mark up / paint (46 episodes, 1995-1999)
- Howard Schwartz
- animation checking supervisor / animation checker / checking supervisor / animation checking (43 episodes, 1995-1999)
- Kyung Ho Park
- backgrounds: Koko/Seoul Movie / backgrounds: Koko Enterprises / background artist: Koko Enterprise / backgrounds: KoKo Enterprise / backgrounds: KoKo Enterprise Co. Ltd. / head of background: Koko/Seoul Movie (39 episodes, 1995-2002)
- Kim Bowen
- mark-up / painter / paint (39 episodes, 1996-2002)
- Richard Collado
- timing director (39 episodes, 1996-2002)
- Lea Dahlen
- animation checker / animation checking (39 episodes, 1996-2002)
- Bill Ohanesian
- painter / mark-up / paint (38 episodes, 1996-2002)
- Geno DuBois
- ink and paint manager (37 episodes, 1996-2000)
- John Dymer
- background key designer / background key design (35 episodes, 1995-2002)
- Robert Alvarez
- timing director (34 episodes, 1996-2002)
- Michael Chutuk
- painter / mark-up (33 episodes, 1996-1999)
- Martin Strudler
- background key designer / background key design (31 episodes, 1995-2002)
- Jeff Holgate
- background painter (31 episodes, 1996-2002)
- Kyung Won Lim
- director: Koko/Seoul Movie / layout: Koko/Seoul Movie / director: Koko Enterprises / key animator: Koko/Seoul Movie / animation director: KoKo Enterprise / director: KoKo Enterprise / director: KoKo Enterprise Co. Ltd. / layout artist: KoKo Enterprise / layout: KoKo Enterprise / layout: KoKo Enterprise Co. Ltd. (29 episodes, 1995-2002)
- Gregory Hinde
- animation checker / animation checking (29 episodes, 1997-2002)
- Maxwell Becraft
- timing director / sheet timer / sheet timing direction (28 episodes, 1995-1998)
- Tom Bird
- character designer (28 episodes, 1997-2002)
- Terry Lee Mullen
- background key designer / background key design / character designer (26 episodes, 1995-1999)
- Fran Doyle
- overseas supervisor / overseas animation supervisor: Koko Enterprise (26 episodes, 1997-1999)
- Rose Ann Stire
- background painter (25 episodes, 1996-1999)
- Clayton Stang
- color key (23 episodes, 1996-1998)
- Kyung Ja Kim
- key animator: Koko/Seoul Movie / animator: Koko/Seoul Movie / animator: Koko Enterprises / animator: KoKo Enterprise / animator: Koko Enterprise (23 episodes, 1997-2002)
- Carolyn Gair
- character designer / character design (22 episodes, 1995-1998)
- David Mink
- character designer (22 episodes, 1996-1998)
- Brian Chin
- background painter / background key designer / character designer (22 episodes, 1997-2002)
- Michael Lowery
- background painter / background paint (21 episodes, 1995-1999)
- Tina Marcaccio
- mark-up / painter / paint (20 episodes, 1995-1997)
- Jung-gu Suh
- final checker: Koko/Seoul Movie / final check: Koko/Seoul Movie / final check: KoKo Enterprise / final checker: KoKo Enterprise Co. Ltd. (19 episodes, 1996-2002)
- Robert Givens
- background key designer (19 episodes, 1997-2002)
- Robin D. Kane
- color key / color key artist (16 episodes, 1995-1996)
- Susan Crossley
- character designer (15 episodes, 1998-2002)
- Annie Leavitt
- color key (15 episodes, 1998-2002)
- Thomas Warkentin
- background key designer / background key design (14 episodes, 1995-2002)
- Linda Redondo
- color key / color key artist (14 episodes, 1995-1996)
- Sung-Hyun Park
- final checker: Koko/Seoul Movie (14 episodes, 1996-1998)
- Kathleen I. Evans
- color key / color key artist (13 episodes, 1995-1996)
- Kathryn Gilmore
- color key / color key artist (13 episodes, 1995-1996)
- Pamela Long
- color key / color key artist (13 episodes, 1995-1996)
- Bunny Munns
- ink and paint supervisor / color key / color key artist (13 episodes, 1995-1996)
- Cathy O'Leary
- color key / color key artist (13 episodes, 1995-1996)
- Britt Teegarden
- color key / color key artist (13 episodes, 1995-1996)
- Fay Whitemountain
- background key designer (13 episodes, 1997-1999)
- Arland Barron
- character designer / character design (12 episodes, 1995-1996)
- Sharon Dabek
- mark-up / mark up (12 episodes, 1995-1996)
- Valerie Tidwell
- mark-up / mark up (12 episodes, 1995-1996)
- Ok Ja Yang
- final checker: Koko/Seoul Movie / final checker: KoKo Enterprise (12 episodes, 1997-1999)
- Bunty Dranko
- animation checker / animation checking (11 episodes, 1995-1996)
- Don Shump
- paint / painter (10 episodes, 1995-1996)
- Chul Jae Jung
- animator: Koko/Seoul Movie / animator: Koko Enterprise / animator: Koko Enterprises / key animator: Koko/Seoul Movie (9 episodes, 1998-2002)
- Joo-hee Koh
- final checker: Koko/Seoul Movie / final check: KoKo Enterprise / final checker: KoKo Enterprise (9 episodes, 1998-1999)
- Tim Maloney
- background painter / background paint (8 episodes, 1995-1996)
- Toshihiko Masuda
- director: Tokyo Movie Shinsha Co. Ltd. / director: TMS (8 episodes, 1995-1996)
- Barry Hawkins
- animation checker (8 episodes, 1996-1997)
- Scott Mansz
- overseas supervisor (8 episodes, 1996-1997)
- Sung-Il Hong
- layout: Koko/Seoul Movie / layout artist: KoKo Enterprise / layout: Koko Enterprises (7 episodes, 1998-2002)
- Yung Sun Lee
- key animator: Koko/Seoul Movie / key animator: KoKo Enterprise Co. Ltd. (6 episodes, 1996-1998)
- Sun Joo Kim
- key animator: Koko/Seoul Movie / animator: Koko/Seoul Movie / layout: Koko/Seoul Movie (6 episodes, 1997-1998)
- Phil Cummings
- sheet timer / sheet timing direction (5 episodes, 1995-1996)
- Dongho Kim
- director: Koko/Seoul Movie / layout: Koko/Seoul Movie (5 episodes, 1996-1997)
- Saung-Tak Lim
- key animator: Koko/Seoul Movie (5 episodes, 1996-1997)
- Kyungsook Hwang
- key animator: Koko/Seoul Movie (5 episodes, 1997-1998)
- Daeil Kang
- director: Koko/Seoul Movie / animation director: KoKo Enterprise (5 episodes, 1998-1999)
- Dongboon Kim
- animator: Koko/Seoul Movie / key animator: Koko/Seoul Movie / animator: Koko Enterprise (5 episodes, 1998-1999)
- Hiroyuki Aoyama
- key animator: Tokyo Movie Shinsha Co. Ltd. / animation director: Tokyo Movie Shinsha Co. Ltd. / animator: TMS (4 episodes, 1995-1996)
- Shahen Jordan
- background painter (4 episodes, 1995-1996)
- Norm McCabe
- sheet timer / sheet timing direction (4 episodes, 1995-1996)
- Tom Ray
- sheet timer / sheet timing direction (4 episodes, 1995-1996)
- Atsuko Tanaka
- animation director: Tokyo Movie Shinsha Co. Ltd. / key animation: Tokyo Movie Shinsha Co. Ltd. / key animator: Tokyo Movie Shinsha Co. Ltd. (4 episodes, 1995-1996)
- Yûichirô Yano
- key animator: Tokyo Movie Shinsha Co. Ltd. / animation director: Tokyo Movie Shinsha Co. Ltd. / key animation: Tokyo Movie Shinsha Co. Ltd. (4 episodes, 1995-1996)
- Joe Morrison
- timing director (4 episodes, 1996-1997)
- Jung Tak Kim
- layout: Koko/Seoul Movie (4 episodes, 1997)
- Chang Gun Noh
- director: Koko/Seoul Movie (4 episodes, 1997)
- Greg Battes
- background painter (4 episodes, 1998-1999)
- Greg Dubuque
- background painter (4 episodes, 1998-1999)
- Jeff Hall
- timing director / sheet timing direction (3 episodes, 1995-1999)
- Richard Daskas
- background painter / background paint (3 episodes, 1995-1998)
- Ki-Yong Bae
- layout: Koko/Dong Yang / layout: Koko/Seoul Movie (3 episodes, 1995-1996)
- Yoshinobu Michihata
- key animator: Tokyo Movie Shinsha Co. Ltd. / key animation: Tokyo Movie Shinsha Co. Ltd. (3 episodes, 1995-1996)
- Ung-Hwan Oh
- head of background: Koko/Dong Yang / head of background: Koko/Seoul Movie (3 episodes, 1995-1996)
- Hiroaki Noguchi
- animation director: Tokyo Movie Shinsha Co. Ltd. / key animation: Tokyo Movie Shinsha Co. Ltd. / key animator: Tokyo Movie Shinsha Co. Ltd. (3 episodes, 1995)
- Bryan Evans
- background key designer (3 episodes, 1996-1998)
- Sehoon Oh
- final checker: Koko/Seoul Movie (3 episodes, 1998)
- Keun Yeul Park
- director: Koko/Seoul Movie (3 episodes, 1998)
- Dae Il Kim
- director: KoKo Enterprise / director: Koko Enterprises / director: Koko/Seoul Movie (3 episodes, 1999-2000)
- Pil Mook Chae
- final checker: Koko/Dong Yang / final checker: Koko/Seoul Movie (2 episodes, 1995-1996)
- Kyung-sup Jung
- director: Koko/Dong Yang / director: Koko/Seoul Movie (2 episodes, 1995-1996)
- Sawako Miyamoto
- key animation: Tokyo Movie Shinsha Co. Ltd. / key animator: Tokyo Movie Shinsha Co. Ltd. (2 episodes, 1995-1996)
- Yuko Sobu
- key animator: Tokyo Movie Shinsha Co. Ltd. (2 episodes, 1995-1996)
- Hisao Yokobori
- animation director: Tokyo Movie Shinsha Co. Ltd. / key animator: Tokyo Movie Shinsha Co. Ltd. (2 episodes, 1995-1996)
- Kenji Hachizaki
- animation director: TMS / key animator: Tokyo Movie Shinsha Co. Ltd. (2 episodes, 1995)
- Takashi Kawaguchi
- animator: TMS / key animator: Tokyo Movie Shinsha Co. Ltd. (2 episodes, 1995)
- Shôjirô Nishimi
- animation director: Tokyo Movie Shinsha Co. Ltd. / animator: TMS (2 episodes, 1995)
- Teiichi Takiguchi
- key animation: Tokyo Movie Shinsha Co. Ltd. / key animator: Tokyo Movie Shinsha Co. Ltd. (2 episodes, 1995)
- Craig Robertson
- background painter (2 episodes, 1996-1998)
- Norma Klingler
- character designer (2 episodes, 1996-1997)
- David McBride
- background painter (2 episodes, 1996-1997)
- Briar Lee Mitchell
- background key designer (2 episodes, 1996)
- Yang Sae Jung
- key animator: Koko/Seoul Movie (2 episodes, 1997-1998)
- Kyoung-Won Yim
- director: Koko/Seoul Movie (2 episodes, 1997)
- Sung Ho Jang
- layout: Koko/Seoul Movie / key animator: Koko/Seoul Movie (2 episodes, 1998)
- Young Joo
- director: Koko/Seoul Movie (2 episodes, 1998)
- Hoon Jung
- director: Koko/Seoul Movie / key animator: Koko/Seoul Movie / layout: Koko/Seoul Movie (2 episodes, 1998)
- Yoon Jung
- key animator: Koko/Seoul Movie (2 episodes, 1998)
- Chang Hyun Moon
- key animator: Koko/Seoul Movie / layout: Koko/Seoul Movie (2 episodes, 1998)
- Hong Yeol Park
- key animator: Koko/Seoul Movie (2 episodes, 1998)
- Cho Se Jin
- key animator: Koko/Seoul Movie (2 episodes, 1998)
- Moon Jin Suh
- layout: Koko/Seoul Movie (2 episodes, 1998)
- Kevin Frank
- character designer (2 episodes, 1999)
- Adam Barron
- character designer (1 episode, 1995)
- Yoshio Chatani
- key animator: Tokyo Movie Shinsha Co. Ltd. (1 episode, 1995)
- Julienne Gimeno
- character designer (1 episode, 1995)
- Seo Jung Gu
- final checker: Koko/Seoul Movie (1 episode, 1995)
- Emiko Hirama
- key animation: Tokyo Movie Shinsha Co. Ltd. (1 episode, 1995)
- Stephen Lewis
- background key designer (1 episode, 1995)
- Jung Won Ma
- director: Koko/Dong Yang (1 episode, 1995)
- Yûji Nakamura
- key animator: Tokyo Movie Shinsha Co. Ltd. (1 episode, 1995)
- Kyong Sook Park
- head of background: KoKo Enterprise Co. Ltd. (1 episode, 1995)
- Min Ho Park
- final checker: Koko/Dong Yang (1 episode, 1995)
- Ernie Pava
- background color correction (1 episode, 1995)
- Christopher Staples
- background color correction (1 episode, 1995)
- Kôichi Suenaga
- animator: TMS (1 episode, 1995)
- Park Sung Tae
- final checker: KoKo Enterprise Co. Ltd./Sam Won Animation (1 episode, 1995)
- Masaya Yasutome
- key animation: Tokyo Movie Shinsha Co. Ltd. (1 episode, 1995)
- Sung Baik Youb
- director: KoKo Enterprise Co. Ltd./Sam Won Animation / layout: KoKo Enterprise Co. Ltd./Sam Won Animation (1 episode, 1995)
- Hiroaki Akagi
- key animator: Tokyo Movie Shinsha Co. Ltd. (1 episode, 1996)
- Masahiko Dairaku
- key animator: Tokyo Movie Shinsha Co. Ltd. (1 episode, 1996)
- Natasha Liberman
- background painter (1 episode, 1996)
- Donna Mouliot
- sheet timer (1 episode, 1996)
- Charles Pickens
- background painter (1 episode, 1996)
- James West
- timing director (1 episode, 1996)
- Bill Wray
- background key designer (1 episode, 1996)
- Ken Dampier
- background painter (1 episode, 1997)
- Lianna Kelley
- background key designer (1 episode, 1997)
- Sun Soo Kim
- key animator: Koko/Seoul Movie (1 episode, 1997)
- Kyunghee Huh
- key animator: Koko/Seoul Movie (1 episode, 1998)
- Seung Joo Kim
- key animator: Koko/Seoul Movie (1 episode, 1998)
- Kyung Hee Lee
- key animator: Koko/Seoul Movie (1 episode, 1998)
- Marty Murphy
- background key designer / character designer (1 episode, 1998)
- Song Shin Yung
- layout: Koko/Seoul Movie (1 episode, 1998)
- Sookyoung Shin
- key animator: Koko/Seoul Movie (1 episode, 1998)
- Mi Young Song
- key animator: Koko/Seoul Movie (1 episode, 1998)
- Soo Min Suk
- key animator: Koko/Seoul Movie (1 episode, 1998)
- Karl Toerge
- character designer (1 episode, 1998)
- Sun-gil Hong
- layout: KoKo Enterprise (1 episode, 1999)
- Hyo Sun Hwang
- director: Koko/Seoul Movie / layout: Koko/Seoul Movie (1 episode, 1999)
- Joong-Ho Kim
- director: Koko/Seoul Movie / layout: Koko/Seoul Movie (1 episode, 1999)
- Daell Kim
- director: Koko Enterprises (1 episode, 2002)
- Carolyn Guske
- bg color correction (unknown episodes)