Team Logo. The Thunder Bay Senators were a team in the United Hockey League. They were league champions in 1994 and 1995. In 1996 they changed their name to the Thunder Bay Thunder Cats. Retrieved from "https://prosportsteams.fandom.com/wiki/Thunder_Bay_Senators?oldid=17458" Categories: United Hockey League teams Teams in Ontario Community content is available under CC-BY-SA unless otherwise noted.