Insectosaurus is a giant, bug creature who was born from nuclear waste.
Harmed by Galaxhar's ray, he was knocked out, then awakened as a giant moth.
he got back at Galaxhar in Kids World in Home on the Range, where he rammed into Galaxhar's wicked Jack form, also where he met Ryan for the first time, instead of Kids World's Adventures of Monsters vs. Aliens, which was not canceled due to copyright. he joins in Ryan and the gang meet Dinosaur.
- He became one of the characters of Kids World's Adventures Series.