Here is a chance for the first 72 people to cough up $9,999 to play with the Great One. Phil Esposito is one of the instructors - he will be teaching lazy rink turns, how to camp out on the edge of the crease and how to make as many bad trades as possible.
The Calgary Flames have Harvey the Hound. Vancouver Canucks-Fin Toronto Maple Leafs-Carlton the Bear (seen here confronting Matthew Barnaby) Those three are off the top of my head, but here's a list of NHL mascots. edit: