You can't just become a Chicago Bears mascot you need to feel it and be passionate about the team. Also you have to suck the whole team off.
Probably because no one can keep up with the life and character of the fans. The mascot would constantly be outshined by them so their job would become obsolete. In a way, the fans are the mascot(s).
A mascot is someone inspirational that is on the sideline or at court side in a event. He/she is basically cheering for it's hoe team.
According to this contributor's quick look around the internet, no major team has a pitbull as a mascot. Several sports team use a bulldog mascot, though.
They have a mascot because every team wants and likes to show school spirit.
The Ducks hockey team mascot is Wild Wing the Duck. He has been the teams mascot since 1993. The name for the Ducks mascot was chosen from a 'Name the Mascot' contest.
Go to the cheer coach and ask if there are any openings and if she says yes then ask if you can tryout.
Mr. Met is the mascot for the Mets!
The blue jays mascot is Ace.
A rooster is the mascot for France.
Homer Simpson and his dancing for baseball.
Cornell's mascot is the "big red bear."