Guest Stars Jonathan Melo voices Clawd Wolf Valeria Rodriguez voices Spectra Vondergeist Jordan R. Coleman voices Manny Taur Salli Saffioti voices Skullette Salli Saffioti voices Mrs. O'Shriek Riki Lindhome voices Purrsephone Kate Micucci voices Meowlody Gabrielle Nevaeh Green voices Lizard Student Alexander Polinsky voices Heads Chef Alexa Kahn voices Garbage Goblin Jonathan Melo voices Dragon Boy