• 
  Jacob Guenther

  Dirty
• 
  Jaden Betts

  Stinky
• 
  Darin De Paul

  Chip
• 
  David McCamley

  (8 episodes, 2016)
• 
  Wallace Shawn

  11 episodes, 2016-2017
• 
  Cathy Cavadini

  6 episodes, 2016-2017
• 
  Tom Kenny

  8 episodes, 2016-2017
• 
  Jane Lynch

  9 episodes, 2016-2017

• 
  Andy Richter

  8 episodes, 2016-2017
• 
  Jonny Cruz

  7 episodes, 2016-2017
• 
  Jet Jurgensmeyer

  6 episodes, 2017
• 
  Issac Ryan Brown

  6 episodes, 2017
• 
  Jack McGraw

  7 episodes, 2016-2017
• 
  Kimberly Brooks

  6 episodes, 2015-2018
• 
  Mikey Kelley

  7 episodes, 2016-2018

• 
  Whoopi Goldberg

  9 episodes, 2016-2019
• 
  Jeff Bennett

  11 episodes, 2018-2019
• 
  Joan Cusack

  Red
• 
  Billy West

  Chill