Team Logo. Panionios GSS is a team in Superleague Greece. They are nicknamed the "Panthers." Their highest league finish was second place in 1951 and 1971. Retrieved from "https://prosportsteams.fandom.com/wiki/Panionios?oldid=13642" Categories: Superleague Greece Teams Teams in Greece Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.