For a while there in the 80s, Cancon was mostly a handful of bands played over and over: Honeymoon Suite, Glass Tiger, Frozen Ghost, Platinum Blonde, Chalk Circle.
This blog is funny:
http://www.craptastic.com/cancon/dreck.html
In no particular order. Here are some "artistes" that benifited from having a Canadian passport and little else. I'm tempted to give everyone on this page off the scale ratings but I've tried to assess their lack of talent honestly so some rankings might seem a little generous. I've snuck in a few marginal characters just because it's my list and I can do what ever I want with it.