Robert William "Willie" Pickton (born October 24, 1949) of Port Coquitlam, British Columbia is a Canadian pig farmer and serial killer convicted of the second-degree murders of six women.He is also charged in the deaths of an additional twenty women, many of them prostitutes and drug users from Vancouver's Downtown Eastside.

I don't think ALL of Nickelback is Canadian, just this asshole.
http://www.facebook.com/group.php?gid=14031246713

Raped and murdered 10+ children and teenagers in the early 1980's

http://www.erickarjaluoto.com/

Does this one even need an explanation?

http://www.celinedion.com/