Was an alien prisoner on Sledge's ship 65,000,000 years ago.
Was partially responsible for the extinction of the dinosaurs.
Has no involvment in the extinction of the dinosaurs.
Belonged to a group of monsters, the others being Debo Viruson and Debo Nagareboshi, called the Zetsumates, who were responsable for killing off the Dinosaurs through cold, disease and meteorite impacts.
Did not form an explicit group with Stingrage and Meteor, but did work together with them at one occasion.
Has been destroyed in the first episode by Daigo Kiryu.