- Stephanie Arnett
- character layout artist
- David D. Au
- character layout artist
- Daniel Bond
- character layout artist (as Dan Bond)
- Rufino Roy Camacho II
- character layout artist (as Roy Camacho)
- Crystal Chesney
- retake director (as Crystal Chesney-Thompson)
- Nam Suk Cho
- background layout artist
- Patrick Dailey
- character layout artist (as Patrick T. Dailey)
- Orlando Distor
- character layout artist
- Edgar Duncan
- background and prop designer (as Edgar Duncan) (as Jr.)
- Jim Feeley
- character designer
- Edmund Fong
- story artist
- Matt Groening
- original character designer
- Samantha Harrison
- color supervisor
- Claudia V. Keene
- character layout artist (as Claudia Keene)
- Megan Kelly
- character layout artist
- Karapet Keroglyan
- character designer
- Jae H. Kim
- character layout artist
- Sean Kim
- character layout artist
- Jeanette Moreno King
- character layout artist (as Jeanette Moreno)
- Juliana Korsborn
- character layout artist
- Alex Lee
- background and prop designer
- Sang Am Lee
- animation checker
- Brian LoSchiavo
- character layout artist
- Peter Maivia
- design clean-up
- Kenny McGill
- background layout artist
- Jeffrey A. Mertz
- background artist (as Jeff Mertz)
- Robert P. Moore
- character layout artist
- Drew T. Pierce
- character layout artist
- Carolyn Roach
- production assistant
- Vladi Rubizhevsky
- background artist
- John Seymore
- background and prop designer
- Hyunbo Simm
- character layout artist
- Steve Socki
- animation timer
- Chris Song
- character layout artist (as Chris Minki Song)
- T.C. Starnes Jr.
- background layout artist
- Aimee Steinberger
- character layout artist
- Rachel Stratton
- color key
- Roger Viloria
- character layout artist
- Chad Woods
- color key artist
