- Thomas Perkins
- lead character design / character designer / lead character designer (77 episodes, 2015-2019)
- John Calmette
- color supervisor / background painter (76 episodes, 2015-2019)
- Kalia Cheng
- manager of animation department / manager of animation development (76 episodes, 2015-2019)
- Frank Gomez
- character/prop design / character design / prop design / conceptual prop design / character and props design (76 episodes, 2015-2019)
- Kenneth T. Ito
- director of animation production (76 episodes, 2015-2019)
- Ross Malorzo
- color styling / color stylist (76 episodes, 2015-2019)
- Jeff Wamester
- character designer / lead character design (76 episodes, 2015-2019)
- David S. Karoll
- color styling / color stylist (75 episodes, 2015-2019)
- Bi Wei Tronolone
- background painter (75 episodes, 2015-2019)
- Phil Cummings
- timing direction / timing director (69 episodes, 2015-2019)
- Teri McDonald
- checking / animation checker (64 episodes, 2015-2019)
- Joseph Feinsilver
- conceptual background design / background painter / conceptual background designer / conceptual background painter (64 episodes, 2015-2018)
- Michel Lyman
- lip assignments / timing/checking supervisor / checking supervisor / timing supervisor / timing direction / timing (52 episodes, 2015-2019)
- Fred Salinas
- track reading (51 episodes, 2015-2017)
- Jenith Bumsuk Shon
- background painter (51 episodes, 2016-2019)
- Bob Nesler
- timing direction (49 episodes, 2017-2019)
- Usik Choi
- key animator: DR Movie / key animator (29 episodes, 2015-2019)
- Yeonho Chu
- key animator: DR Movie / key animator (29 episodes, 2015-2019)
- Ryeon Ki Hong
- color styling chief: DR Movie / color styling chief (29 episodes, 2015-2019)
- Seok-Woo Kim
- supervising animation director: Lotto Animation / supervising animation director / key animator: Lotto Animation / key animation (29 episodes, 2015-2019)
- Hoon Park
- key animator: DR Movie / key animator (29 episodes, 2015-2019)
- Dong-hyun Seo
- key animator: DR Movie / key animator (29 episodes, 2015-2019)
- Sangtae Shin
- key animator: DR Movie / key animator (29 episodes, 2015-2019)
- Yeongmin Sim
- background director: DR Movie / background director (29 episodes, 2015-2019)
- Jung Man Su
- key animator: Lotto Animation / key animator (29 episodes, 2015-2019)
- Seongha Oh
- compositing director (27 episodes, 2015-2019)
- Misoon Kim
- checking (27 episodes, 2017-2019)
- Jin Gon Kim
- supervising animation director: DR Movie / supervising animation director (26 episodes, 2015-2019)
- Yonggwan Lee
- key animator: DR Movie / key animator (26 episodes, 2015-2019)
- Jungja Kim-Wolf
- lip assignments / timing/checking supervisor / checking / checking supervisor / timing / timing supervisor / timing and checking supervisor / timing direction (26 episodes, 2015-2016)
- Sang Bang Oh
- compositing director: lotto animation / compositing director (25 episodes, 2016-2019)
- Jamie H. Huang
- timing direction / timing director (24 episodes, 2015-2016)
- Geneva Ip
- checking (23 episodes, 2015-2016)
- Kim Yeong Chae
- key animator: Lotto Animation / key animator (23 episodes, 2017-2019)
- Jung Gap Cheon
- bg director: lotto animation / background director (23 episodes, 2017-2019)
- Hong Myeong Gi
- key animator: Lotto Animation / key animator (23 episodes, 2017-2019)
- Ji Mi Hyeon
- color styling chief: lotto animation / color styling chief (23 episodes, 2017-2019)
- Moon Take Mum
- key animator: Lotto Animation / key animator (23 episodes, 2017-2019)
- Jin Suk Park
- bg director: lotto animation / background director / key animation: MUA Animation (23 episodes, 2017-2019)
- Park Yang Uk
- key animator: Lotto Animation / key animator (23 episodes, 2017-2019)
- Park Do Yong
- key animator: Lotto Animation / key animator (23 episodes, 2017-2019)
- Jeongseok Lee
- key animator: Lotto Animation / key animator (22 episodes, 2017-2019)
- Jan Browning
- checking (20 episodes, 2015-2016)
- Steve Englehart
- character creator (20 episodes, 2015-2016)
- Steve Gan
- character creator (20 episodes, 2015-2016)
- Keith Giffen
- character creator (20 episodes, 2015-2016)
- Jill Jacobs
- timing direction / timing director (20 episodes, 2015-2016)
- Jack Kirby
- character creator (20 episodes, 2015-2016)
- Stan Lee
- character creator (20 episodes, 2015-2016)
- Bill Mantlo
- character creator (20 episodes, 2015-2016)
- Jim Starlin
- character creator (20 episodes, 2015-2016)
- Janette Hulett
- checking (19 episodes, 2015-2016)
- Sung Soo Yuk
- key animator: DR Movie / key animator (18 episodes, 2017-2019)
- Mark Taihei
- conceptual prop design (16 episodes, 2015-2016)
- Chris Hacker
- color styling (14 episodes, 2015-2018)
- Yong-Geun Lee
- key animator: DR Movie / key animator (14 episodes, 2017-2019)
- Randy Myers
- timing direction (13 episodes, 2015-2016)
- James Gallego
- background painter (12 episodes, 2015-2016)
- Patrick Gleeson
- timing direction / timing director (12 episodes, 2015-2016)
- Edwin Fong
- conceptual background design (12 episodes, 2019)
- Jae-Eui Kwak
- key animator: DR Movie (11 episodes, 2015-2016)
- Michael Wolf
- timing direction / timing director (11 episodes, 2015-2016)
- Young-Tae Youn
- key animator: DR Movie (11 episodes, 2015-2016)
- Jong-Nam Kim
- background director: SMIP Co. Ltd. / background director (10 episodes, 2015-2017)
- Jeongkeun Kim
- key animator: DR Movie (10 episodes, 2015-2016)
- Juli Murphy
- timing direction (10 episodes, 2015-2016)
- Shahen Jordan
- background painter (9 episodes, 2015-2016)
- Beomseck Lee
- key animator: DR Movie (9 episodes, 2015-2016)
- Tom Pope
- timing direction (9 episodes, 2016)
- Hoon Jung
- key animation: MUA Animation / key animator (9 episodes, 2018-2019)
- Christopher Hooten
- color styling (8 episodes, 2015-2017)
- Kyungho Choi
- supervising animation director: MUA Animation / supervising animation director / supervising animation director: : MUA Animation (8 episodes, 2018-2019)
- Sangshik Choi
- key animation: MUA Animation / key animator (8 episodes, 2018-2019)
- Hyeongtae Kim
- key animator: MUA Animation / key animator (8 episodes, 2018-2019)
- Yoonjae Ko
- key animation: MUA Animation / key animator (8 episodes, 2018-2019)
- Jungwoo Koo
- color styling chief: MUA Animation / color styling chief (8 episodes, 2018-2019)
- Byeongho Lee
- key animation: MUA Animation / key animator (8 episodes, 2018-2019)
- Sung Ju Lee
- background director: MUA Animation / background director (8 episodes, 2018-2019)
- Taehoon Lee
- compositing director: MUA Animation / compositing director (8 episodes, 2018-2019)
- Taegoo Yoon
- background director: MUA Animation / background director (8 episodes, 2018-2019)
- Joong-Ryoul Ahn
- supervising animation director: SMIP Co. Ltd. / supervising animation director (7 episodes, 2015-2016)
- Jin-Sun Im
- color styling chief: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Hae Young Jung
- key animator: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Seung-Joon Jung
- key animator: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Gywan-Sik Kim
- key animator: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Hak Bin Lee
- key animator: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Kim Min-seo
- key animator: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Sang Yong Um
- key animator: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Young-Sang Yun
- key animator: SMIP Co. Ltd. (7 episodes, 2015-2016)
- Chris Duncan
- background painter (7 episodes, 2016-2017)
- Young-Don Lee
- key animation: MUA Animation / key animator (7 episodes, 2018-2019)
- Woong Lim
- key animation: MUA Animation / key animator (7 episodes, 2018-2019)
- Ji Mi Hyun
- color styling chief / color styling chief: Lotto Animation (6 episodes, 2015-2016)
- Kwonil Kim
- key animator: Lotto Animation / key animator (6 episodes, 2015-2016)
- Min Su Kim
- key animator: Lotto Animation / key animation (6 episodes, 2015-2016)
- Yeon Hee Kim
- background director / background director: Lotto Animation / background painter (6 episodes, 2015-2016)
- Sang Jun Lee
- key animator: Lotto Animation / key animation (6 episodes, 2015-2016)
- Tae Moon Moon
- key animator: Lotto Animation / key animator (6 episodes, 2015-2016)
- Randy Ludensky
- timing direction (6 episodes, 2016)
- R.C. Montesquieu
- character designer (5 episodes, 2015-2017)
- Youngsoo Kim
- supervising animation director: Lotto Animation / supervising animation director (5 episodes, 2015-2016)
- Myoung Smith
- checking (5 episodes, 2015-2016)
- Helen Roh
- timing direction (5 episodes, 2016)
- Byoung Ryul Kim
- compositing director: MUA Animation (5 episodes, 2018)
- Soo-hyun Kang
- key animator: Lotto Animation / key animator (4 episodes, 2015-2016)
- Terrence Charles Lennon
- timing direction (4 episodes, 2015)
- Elizabeth Gang
- timing direction (4 episodes, 2016)
- Don Judge
- timing direction (4 episodes, 2016)
- Hakseok Choi
- compositing director (4 episodes, 2017-2019)
- Jinsung Park
- key animation: MUA Animation (4 episodes, 2018)
- Carla Washburn
- checking (3 episodes, 2015-2017)
- Annamarie Costa
- checking (3 episodes, 2015-2016)
- Beom-seok Lee
- key animator: DR Movie (3 episodes, 2015-2016)
- Peter Tronolone
- background painter (3 episodes, 2015-2016)
- Cheolu Ahn
- key animation (3 episodes, 2017)
- Jaegyu Cho
- key animation (3 episodes, 2017)
- Byeongnam Choi
- key animation (3 episodes, 2017)
- Jeongil Hwang
- key animation (3 episodes, 2017)
- Jinseon Im
- color styling chief (3 episodes, 2017)
- Hanyong Jung
- key animation (3 episodes, 2017)
- Hak Yong Kim
- key animation (3 episodes, 2017)
- Yeonggil Lee
- key animation (3 episodes, 2017)
- Myeongjong Oh
- key animation (3 episodes, 2017)
- Heonguk Park
- key animation (3 episodes, 2017)
- Siok Park
- supervising animation director (3 episodes, 2017)
- Byungryul Kim
- compositing director (3 episodes, 2019)
- Jong-Guen Lee
- key animator (3 episodes, 2019)
- Jinsuk Park
- key animator (3 episodes, 2019)
- Lee Yong-Gwan
- key animator (3 episodes, 2019)
- Soo-In Choi
- ink/paint chief: Studio Mir (2 episodes, 2015)
- Lim Jong Chul
- key animation: Studio Mir (2 episodes, 2015)
- Hyun Chul Jeong
- key animation: Studio Mir (2 episodes, 2015)
- Im Hyoung Jin
- key animation: Studio Mir (2 episodes, 2015)
- Katie Kaniewski
- coordinator of animation development (2 episodes, 2015)
- Yunho Lee
- background director: Studio Mir (2 episodes, 2015)
- Yu-Won Pang
- supervising animation director: Studio Mir (2 episodes, 2015)
- Sang Jin Park
- key animation: Studio Mir (2 episodes, 2015)
- Sung-Chun Suh
- key animation: Studio Mir (2 episodes, 2015)
- Kim Sung Sup
- key animation: Studio Mir (2 episodes, 2015)
- Seon-a Yang
- ink/paint chief: Studio Mir (2 episodes, 2015)
- Ok-Ja Yoo
- ink/paint chief: Studio Mir (2 episodes, 2015)
- Tim Brock
- color styling (2 episodes, 2016)
- Kang Soo Hyun
- key animator: Lotto Animation (2 episodes, 2016)
- Aggie Christakis
- CG Artist (2 episodes, 2019)
- Ali Donovan
- animation director / animation director: Brain Zoo Studio, Inc. (2 episodes, 2019)
- Harry Walton
- animation supervisor (2 episodes, 2019)
- In-Seung Choi
- key animator (1 episode, 2015)
- Mio Del Rosario
- character designer (1 episode, 2015)
- William E. Houchins
- timing direction (1 episode, 2015)
- Rebecca Lau
- background painter (1 episode, 2015)
- Charles Pickens
- background painter (1 episode, 2015)
- Emily Rice
- color styling (1 episode, 2015)
- Jan Urschel
- conceptual background design (1 episode, 2015)
- Woody Yocum
- timing direction (1 episode, 2015)
- Wei M. Zhao
- background painter (1 episode, 2015)
- Sean Dempsey
- timing direction (1 episode, 2016)
- Kristen Keeves
- color styling (1 episode, 2016)
- Jong Guen Kim
- key animator: DR Movie (1 episode, 2016)
- SoonJin Mooney
- timing direction (1 episode, 2016)
- Ron Myrick
- timing direction (1 episode, 2016)
- James Peters
- color styling (1 episode, 2016)
- Sonia Oback
- color styling (1 episode, 2017)
- Giyong Bae
- supervising animation director (1 episode, 2019)
- Christie Cameron
- production manager: Mercury Filmworks (1 episode, 2019)
- Hyeong-Seok Chang
- key animator (1 episode, 2019)
- Eunok Choi
- key animator (1 episode, 2019)
- Clint Eland
- executive producer: Mercury Filmworks (1 episode, 2019)
- Vaughan Flanagan
- animation director (1 episode, 2019)
- Lee Gangyong
- key animator (1 episode, 2019)
- Jiin Han
- background director (1 episode, 2019)
- Moonjoong Han
- background director / color styling chief (1 episode, 2019)
- Tae Ho Han
- key animator / supervising animation director (1 episode, 2019)
- Josh Hart
- animation director: Mercury Filmworks (1 episode, 2019)
- Joshua Hart
- animation director: Mercury Filmworks (1 episode, 2019)
- Jaewon Jan
- key animator (1 episode, 2019)
- Park Jinhui
- key animator (1 episode, 2019)
- Seoki Kang
- key animator (1 episode, 2019)
- Jong-Nam Kim
- background director (1 episode, 2019)
- Yongchan Kim
- compositing director (1 episode, 2019)
- Christian Larocque
- director: Mercury Filmworks (1 episode, 2019)
- Jonghwa Lee
- key animator (1 episode, 2019)
- Kangro Lee
- key animator (1 episode, 2019)
- Seo-Jeong Lee
- key animator (1 episode, 2019)
- Shawn Lin
- flash animation supervisor (1 episode, 2019)
- Sungmok Nam
- compositing director (1 episode, 2019)
- Duan Nanhao
- key animator (1 episode, 2019)
- Hye-Ryoung Park
- key animator (1 episode, 2019)
- Jin Seo Park
- background director (1 episode, 2019)
- Tyler Platt
- line producer: Mercury Filmworks (1 episode, 2019)
- Won Seo
- key animator (1 episode, 2019)
- Chae SooHee
- color styling chief (1 episode, 2019)
- Claire Tobin
- animation director (1 episode, 2019)
- Seokjin Yoon
- key animator (1 episode, 2019)
