Team Logo. Millwall F.C. is a team in the Football League Championship. They are nicknamed the "Lions." Their fans are known for being unruly and violent, and the team is hated by fans of other teams. Retrieved from "https://prosportsteams.fandom.com/wiki/Millwall?oldid=15204" Categories: Football Championship Teams Teams in England Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.