There's few that are downright unusual – and a couple that are hilarious.
Although I'm not a big football fan, I've always rooted for the Browns – and liked their Brownie mascot too. I was disappointed that Browns owner Art Modell didn't like him and did away with him for so many years. But the team's new ownership brought the little elf back and he's more popular than ever.
For a terrific article about the history of the Cleveland Browns Brownie mascot, click here.