Guest Stars Dave Goelz as Uncle Travelling Matt Frank Meschkuleit voices Uncle Travelling Matt Ben Durocher voices Junior Gorg Dan Garza as Junior Gorg Andy Heyward voices Pa Gorg Frank Meschkuleit as Pa Gorg Aymee Garcia as Ma Gorg Ingrid Hansen voices Ma Gorg John Tartaglia voices Sprocket Donna Kimball voices Cotterpin Kanja Chen voices Pogey John Tartaglia voices Architect Karen Prell voices Icy Joe Aymee Garcia voices Majory the Trash Heap Dan Garza voices Philo John Tartaglia voices Gunge Frank Meschkuleit voices Mantivore Co Starring Harvey Mason Jr. voices Background Singers Andrew Hey voices Background Singers Sam Ramirez voices Background Singers Britt Mason voices Background Singers Ana Krafchick voices Background Singers