Was an alien prisoner on Sledge's ship 65 million years ago.
Was a virus based monster with the ability to create hazardous pathogens and diseases.
Was a poison based monster with the ability to only control others by launching his stingers at the intended target
Belonged to the Zetsumates; a group of three monsters, the others being Debo Hyogakki and Debo Nagareboshi, that were responsable for the extinction of the dinosaurs. Also appeared on earth during the middle ages, where he was responsible for the Black Plague.
While he did work together with Meteor and Iceage on one occasion, the trio did not form a named group nor had anything to do with the extinction of the dinosaurs or any other event in Earth's history. All three monsters were imprisoned by Sledge during these events.