Greg, There are two Hard Rock Cafe's in Toronto. Here are the addresses:

Skydome Toronto
1 Blue Jays Way
Toronto, Ontario
(416) 341-2388
This one is actually located in Skydome where the Blue Jays play.

Toronto
283 Yonge Street
Toronto, Ontario
(416) 362-3636

I do believe that each location has their own distinctive pins.