• 
  Liliana Mumy

  Beth Tezuka
• 
  Breehn Burns

  Emotion Lord
• 
  Ian Jones-Quartey

  Wallow
• 
  John Omohundro

  Danny Vasquez
• 
  Alexander Walsh

  Chris Kirkman
• 
  Sam Lavagnino

  Catbug
• 
  Michael-Leon Wooley

  22 episodes, 2013-2018
• 
  Graeme Jokic

  24 episodes, 2017-2018

• 
  Tara Strong

  33 episodes, 2013-2018
• 
  Maria Bamford

  Ballerina Man
• 
  Eric Bauza

  Concierge
• 
  Bill Mumy

  Johnny Tezuka
• 
  Victor Caroli

  Paralyzed Horse
• 
  Robert Picardo

  Puddingtown
• 
  Phil Morris

  George

• 
  Dawnn Lewis

  Jeanette
• 
  Fred Tatasciore

  DJ Shap Fancybone
• 
  Gedde Watanabe

  Hamster Mitch