Guest Stars Valeria Rodriguez voices Spectra Vondergeist Salli Saffioti voices Skullette Audrey Wasilewski voices Watzie Iris Menas voices BG Students Debra Wilson voices Dr. Blunder Alexander Polinsky voices BG Students Gabrielle Nevaeh Green voices Moth Kid Courtney Lin voices BG Student Iris Menas voices Mystery Meat Iris Menas voices Dragon Girl