The Grim Adventures of Billy & Mandy/Thomas is a parody with The Grim Adventures of Billy & Mandy sounds and Thomas and Friends clips.


  • Grim as Gordon
  • Billy as Thomas
  • Mandy as Emily
  • Irwin as Percy
  • Harold as Henry
  • Phillip as Stanley
  • Nergal as Diesel
  • Claire as Henrietta
  • Gladys as Rosie
  • Rosie as Elizabeth
  • Eris as Daisy
  • Mrs. Butterbean as Lady
  • Hoss Delgado as Toby
  • Nergal Jr. as Edward
  • Boogie Man as Devious Diesel
  • Nigel Planter as Murdoch
  • Sperg as Duncan
  • Pud'n as Duck
  • Irwin's Grandmama as Caroline
  • Jeff as Bertie


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