Doctor "Herr Fiend" Go in the art picture. Doctor "Herr Fiend" Go is the Mini-Con partner of Demolishor (BW). It is not related to his Gobots character. His beast mode is a Beaver. Dr. "Herr Fiend" Go in beast mode. Retrieved from "https://beastwarstransformers.fandom.com/wiki/Doctor_%22Herr_Fiend%22_Go_(BW)?oldid=46305" Categories: Mini-Cons Beast Warriors Beaver Predacons Beast Wars Predacons Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.