- Joaquim Dos Santos
- main character design / main title developed by / storyboard artist / prologue developed by (52 episodes, 2012-2014)
- Sylvia Filcak
- color stylist (52 episodes, 2012-2014)
- Matt Gadbois
- main title developed by / prologue developed by (52 episodes, 2012-2014)
- Kathryn Gilmore
- lip assignment / checker (52 episodes, 2012-2014)
- Bryan Konietzko
- color supervisor / main character design / main title developed by / character design / background design / prop design / background color / prologue developed by / storyboard artist (52 episodes, 2012-2014)
- Joshua Middleton
- main title developed by / prologue developed by (52 episodes, 2012-2014)
- Ki Hyun Ryu
- main character design / storyboard artist / background design / character design (52 episodes, 2012-2014)
- Frederic Stewart
- main title developed by / background color / prologue developed by (52 episodes, 2012-2014)
- Emily Tetri
- background color (52 episodes, 2012-2014)
- Christie Tseng
- character design / chibi animation / prop design (40 episodes, 2013-2014)
- Lisa Yang
- design coordinator (39 episodes, 2013-2014)
- Angela Mueller
- character design (36 episodes, 2013-2014)
- Lauren Zurcher
- background color (36 episodes, 2013-2014)
- Christine Bian
- prop design / background design / character design (35 episodes, 2013-2014)
- William Niu
- background design (35 episodes, 2013-2014)
- Steve Downs
- animatic department supervisor (32 episodes, 2012-2014)
- Angela Sung
- background design / background color (31 episodes, 2013-2014)
- Hyun Joo Song
- storyboard artist / storyboard revisions by (24 episodes, 2012-2014)
- Kwang Il Han
- animation director: Studio Mir / storyboard artist / key animation: Studio Mir (22 episodes, 2012-2014)
- Ki-Yong Bae
- animation director: Studio Mir / storyboard artist / key animation: Studio Mir (20 episodes, 2012-2014)
- Randy Beveridge
- animator (19 episodes, 2012-2013)
- Steve Hirt
- clean-up artist / prop design (19 episodes, 2014)
- Yu-Won Pang
- animation director: Studio Mir (18 episodes, 2013-2014)
- Lauren Montgomery
- additional retake supervision / storyboard artist (15 episodes, 2012-2014)
- Owen Sullivan
- storyboard revision by / storyboard artist (16 episodes, 2013-2014)
- Kim Sung-hoon
- storyboard artist / animation director: Studio Mir / key animator: Studio Mir (15 episodes, 2012-2014)
- Cheong-Il Han
- animation director: Studio Mir / key animation: Studio Mir / storyboard artist (14 episodes, 2012-2014)
- Hae Young Jung
- key animation: Studio Mir / animation director: Studio Mir / storyboard artist (14 episodes, 2012-2014)
- Sang Hyouk Bang
- clean-up artist: Studio Mir / background design / clean up artist: Studio Mir (14 episodes, 2012-2013)
- Il Kwang Kim
- character design / model checker: Studio Mir (14 episodes, 2012-2013)
- Jin Sun Kim
- character design / clean up artist: Studio Mir / key animation: Studio Mir / model checker: Studio Mir (14 episodes, 2012-2013)
- So Young Park
- storyboard artist / key animation: Studio Mir (14 episodes, 2012-2013)
- Myoung Ga Young
- animation director: Studio Mir / storyboard artist / key animation: Studio Mir (13 episodes, 2012-2014)
- Yun Hee Choi
- clean up artist: Studio Mir / background design (13 episodes, 2012-2013)
- Dae Woo Lee
- storyboard artist / layout: Studio Mir (13 episodes, 2012-2013)
- Melchior Zwyer
- storyboard revision by / storyboard artist (13 episodes, 2013-2014)
- Colin Heck
- storyboard revisions by / storyboard supervisor / storyboard artist (12 episodes, 2012-2013)
- Jung-Hoon Kim
- clean-up artist: Studio Mir / prop design (12 episodes, 2012-2013)
- Yong Ik Noh
- background design / cg artist: Studio Mir (12 episodes, 2012-2013)
- Yang Eun Sang
- background design (12 episodes, 2012)
- Ryeon Ki Hong
- color stylist: Studio Mir (12 episodes, 2012)
- Yu Mi Kim
- character coordinator: Studio Mir / prop coordinator: Studio Mir (12 episodes, 2012)
- Adam Lucas
- storyboard revisions by (12 episodes, 2012)
- Jae Seon Shim
- bg coordinator: Studio Mir (12 episodes, 2012)
- Alan Wan
- storyboard revisions by (12 episodes, 2012)
- Lee Seung Wook
- cg coordinator: Studio Mir / design coordinator: Studio Mir / storyboard coordinator: Studio Mir (12 episodes, 2012)
- Lee Jeung Su
- background design / prop design (11 episodes, 2012-2013)
- Rajesh Aakula
- modeler (11 episodes, 2012)
- Yu Mi Hong
- model checker: Studio Mir (11 episodes, 2012)
- Gwan Sik Kim
- model checker: Studio Mir (11 episodes, 2012)
- Kyung Hwa Lim
- background director: Studio Mir (11 episodes, 2012)
- Kim Seung Min
- prop design / background artist: Studio Mir / prop designer (11 episodes, 2012)
- Jonard Soriano
- background design (10 episodes, 2012-2014)
- Ian Graham
- storyboard supervisor / storyboard artist (10 episodes, 2012-2013)
- Jin-Young Go
- final checker: Studio Mir (10 episodes, 2012)
- Bo-kyung Kim
- background artist: Studio Mir (10 episodes, 2012)
- Eu Jin Kim
- background artist: Studio Mir (10 episodes, 2012)
- Hwa Ran Kim
- background artist: Studio Mir (10 episodes, 2012)
- Park Minsun
- cg artist: Studio Mir (10 episodes, 2012)
- Myeong Soon Song
- background artist: Studio Mir (10 episodes, 2012)
- Elsa Garagarza
- storyboard artist / background design (10 episodes, 2013-2014)
- Tsuguyuki Kubo
- character design / animation director: Pierrot Co. Ltd (10 episodes, 2013)
- Haruo Miyagawa
- prop design (10 episodes, 2013)
- Asaho Takahashi
- background design (10 episodes, 2013)
- Jojo Aguilar
- prop design / background design (10 episodes, 2014)
- Jevon Bue
- background design (9 episodes, 2012)
- In Sub Choi
- clean up artist: Studio Mir / clean-up artist: Studio Mir (9 episodes, 2012)
- In-Seung Choi
- key animation: Studio Mir / storyboard artist / animation director: Studio Mir (9 episodes, 2012)
- Natasha Wicke
- storyboard artist (9 episodes, 2013-2014)
- Dong-hyun Seo
- clean-up artist: Studio Mir (8 episodes, 2012)
- Yoriyasu Kogawa
- director: Pierrot Co. Ltd / storyboard artist (8 episodes, 2013)
- Sol Choi
- storyboard artist (8 episodes, 2014)
- Craig Elliott
- background color (8 episodes, 2014)
- Shaun O'Neil
- storyboard artist (8 episodes, 2014)
- Chris Palmer
- storyboard artist (8 episodes, 2014)
- William Ruzicka
- storyboard artist (8 episodes, 2014)
- Young Chan Kim
- storyboard artist / layout: Studio Mir (7 episodes, 2012-2013)
- Jo Hyun Ju
- in-between animation: Studio Mir (7 episodes, 2012)
- Eun Ju Kim
- key animation: Studio Mir (7 episodes, 2012)
- Hyun Jin Yu
- model checker: Studio Mir (7 episodes, 2012)
- Johane Matte
- storyboard artist (7 episodes, 2013-2014)
- Melissa King
- background color (7 episodes, 2014)
- Eugene Lee
- storyboard artist (7 episodes, 2014)
- Yoon Mo Sung
- key animation: Studio Mir (6 episodes, 2012)
- Steve Ahn
- storyboard artist (6 episodes, 2014)
- Tae Keun Ahn
- layout: Studio Mir / episode director: Pierrot Co. Ltd (5 episodes, 2012-2013)
- Dusty Abell
- prop design / character design (5 episodes, 2012)
- Sung Dae Kang
- storyboard artist / animation director: Studio Mir / key animation: Studio Mir (5 episodes, 2012)
- Hyun Kim
- key animation: Studio Mir (5 episodes, 2012)
- Ho-Min Lee
- key animation: Studio Mir (5 episodes, 2012)
- Sang Ho Park
- layout: Studio Mir (5 episodes, 2012)
- Chris Tsirgiotis
- background design (5 episodes, 2012)
- Jung Hee Yang
- key animation: Studio Mir (5 episodes, 2012)
- Seung Leol Yu
- key animation: Studio Mir (5 episodes, 2012)
- Olga Ulanova
- storyboard artist (5 episodes, 2013-2014)
- Anthony Wu
- background color / background painter (4 episodes, 2012-2014)
- Kim Gang Won
- key animation: Studio Mir / animation director: Pierrot Co. Ltd (4 episodes, 2012-2013)
- Seung Tae Jung
- background artist: Studio Mir (4 episodes, 2012)
- Jong Gil Lee
- storyboard coordinator: Studio Mir (4 episodes, 2012)
- Jung Kab Lee
- key animation: Studio Mir / clean up artist: Studio Mir (4 episodes, 2012)
- Jin Suk Park
- key animation: Studio Mir (4 episodes, 2012)
- Sang-wan Park
- background artist: Studio Mir (4 episodes, 2012)
- Lesean Thomas
- storyboard artist (4 episodes, 2012)
- Jae-Myung Yoo
- animation director: Studio Mir (4 episodes, 2012)
- Dean Kelly
- storyboard artist (4 episodes, 2013-2014)
- Young Ki Yoon
- storyboard artist (4 episodes, 2014)
- Michael Dante DiMartino
- storyboard artist / prologue developed by (3 episodes, 2012-2014)
- Bae Go Eun
- background artist: Studio Mir (3 episodes, 2012)
- Jung Hwa Jeong
- key animation: Studio Mir (3 episodes, 2012)
- Kab Cheon Jeung
- layout: Studio Mir (3 episodes, 2012)
- Sunki Kang
- key animation: Studio Mir (3 episodes, 2012)
- Mun Ki Tak
- background design (3 episodes, 2012)
- Hyeongtae Kim
- key animation: Studio Mir (3 episodes, 2012)
- Jun Chan Kim
- layout: Studio Mir (3 episodes, 2012)
- Sook Hee Kim
- model checker: Studio Mir (3 episodes, 2012)
- Jeune Su Kwon
- layout: Studio Mir (3 episodes, 2012)
- Hyo-Jung Lee
- key animation: Studio Mir (3 episodes, 2012)
- Sang Jin Park
- cg artist: Studio Mir (3 episodes, 2012)
- Hyun Woo Seo
- layout: Studio Mir (3 episodes, 2012)
- Nam Seung Won
- storyboard coordinator: Studio Mir (3 episodes, 2012)
- Jin Sung Woo
- key animation: Studio Mir (3 episodes, 2012)
- Seung Woo Yang
- key animation: Studio Mir (3 episodes, 2012)
- Jay Oliva
- storyboard artist (3 episodes, 2013)
- Masahiro Satô
- key animator / animation director: Pierrot Co. Ltd (1 episode, 2013)
- Yoshihiro Yanagiya
- episode director: Pierrot Co. Ltd (3 episodes, 2013)
- Kazuhiro Ãmame
- animation director: Pierrot Co. Ltd / episode director: Pierrot Co. Ltd (3 episodes, 2013)
- Matthew Humphreys
- storyboard artist (3 episodes, 2014)
- Jinhae Lee
- animation director: Studio Mir (3 episodes, 2014)
- Carli Milan Squitieri
- storyboard artist (3 episodes, 2014)
- Seong Min Kim
- background artist: Studio Mir / background color (2 episodes, 2012-2013)
- Matthew Friedlander
- background painter (2 episodes, 2012)
- Kyoung-Pyo Hong
- key animation: Studio Mir (2 episodes, 2012)
- Jae Woo Kim
- key animation: Studio Mir (2 episodes, 2012)
- Jae-hong Kim
- key animation: Studio Mir (2 episodes, 2012)
- Park Kyung-Ji
- clean-up artist: Studio Mir (2 episodes, 2012)
- Min-Sung Park
- clean up artist: Studio Mir (2 episodes, 2012)
- Masami Annô
- storyboard artist / episode director: Pierrot Co. Ltd (2 episodes, 2013)
- Evon Freeman
- character design (2 episodes, 2013)
- Heechul Kang
- animation director: Studio Mir (2 episodes, 2013)
- Chan-Young Park
- animation director: Studio Mir (2 episodes, 2013)
- Ethan Spaulding
- storyboard artist (2 episodes, 2013)
- Sung-jin Suh
- animation director: Studio Mir (2 episodes, 2013)
- Eun-Hee Baek
- layout: Studio Mir (1 episode, 2012)
- Choung-Il Han
- key animation: Studio Mir (1 episode, 2012)
- Yong-Hee Han
- layout: Studio Mir (1 episode, 2012)
- Hoi
- layout: Studio Mir (1 episode, 2012)
- Lee Yong Hoon
- in-between animation: Studio Mir (1 episode, 2012)
- Hyun Chul Jeong
- layout: Studio Mir (1 episode, 2012)
- Eui Jeong Kim
- storyboard artist (1 episode, 2012)
- Jae-Hyoung Kim
- key animator: Studio Mir (1 episode, 2012)
- Sangjin Kim
- storyboard artist (1 episode, 2012)
- Seok-Woo Kim
- key animation: Studio Mir (1 episode, 2012)
- Seung Eun Kim
- storyboard artist (1 episode, 2012)
- Jung Hee Lee
- clean-up artist: Studio Mir (1 episode, 2012)
- Young Hee Sim
- key animation: Studio Mir (1 episode, 2012)
- Jae Jeong Yu
- animation director: Studio Mir (1 episode, 2012)
- Sung Soo Yuk
- key animation: Studio Mir (1 episode, 2012)
- Yûichi Endô
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Toshinori Fukushima
- episode director: Pierrot Co. Ltd (1 episode, 2013)
- Chûichi Iguchi
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Masayuki Katou
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Jeong Hoon Kim
- storyboard artist (1 episode, 2013)
- Masahiko Komino
- animation director: Pierrot Co. Ltd. (1 episode, 2013)
- Sumiya Koshiba
- episode director: Pierrot Co. Ltd. (1 episode, 2013)
- Juno John Lee
- storyboard artist (1 episode, 2013)
- Sang Min Lee
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Tomokatsu Nagasaku
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Fumitoshi Oizaki
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Bobby Rubio
- storyboard artist (1 episode, 2013)
- Chiharu Satô
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Sean Song
- storyboard artist (1 episode, 2013)
- Yoshiaki Tsubata
- animation director: Pierrot Co. Ltd. (1 episode, 2013)
- Cindy H. Yamauchi
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Shô Ãmachi
- episode director: Pierrot Co. Ltd (1 episode, 2013)
- Noriko Ãtake
- animation director: Pierrot Co. Ltd (1 episode, 2013)
- Jen Bennett
- storyboard artist (1 episode, 2014)
- Brendan Clogher
- storyboard artist (1 episode, 2014)
- Chuck Drost
- storyboard artist (1 episode, 2014)
- Lane Garrison
- background color / background design / character design (1 episode, 2014)
- Haiwei Hou
- storyboard artist (1 episode, 2014)
- Tyler Kakac
- digital animator: Nickelodeon Core Department (1 episode, 2014)
- Kristy Kay
- background color (1 episode, 2014)
- Sylvia Liu
- background color (1 episode, 2014)
- Shaunt Nigoghossian
- storyboard artist (1 episode, 2014)
- Justin Ridge
- storyboard artist (1 episode, 2014)
- Dennis Shelby
- animation supervisor: Nickelodeon Core Department (1 episode, 2014)
- Arut Tantasirin
- lead digital animator: Nickelodeon Core Department (1 episode, 2014)
- Jason Zurek
- storyboard artist (1 episode, 2014)
- Elyse Hartey
- texture artist (uncredited) (14 episodes, 2013)