Team Logo. The Newfoundland Growlers are a team in the ECHL. They are the secondary affiliate of the Toronto Maple Leafs. They get their name from the Newfoundland dog, which originated in Canada. Retrieved from "https://prosportsteams.fandom.com/wiki/Newfoundland_Growlers?oldid=17140" Categories: ECHL teams Teams in Newfoundland Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.