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.

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

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

Karla Leanne Homolka, also known as Karla Leanne Teale, (born 4 May, 1970 in Port Credit, Ontario, Canada), is a Canadian serial killer[2] who attracted worldwide media attention when she was convicted of manslaughter in the rape-murders of two teenaged girls; her husband, Paul Bernardo, was convicted of their murders and admitted having raped numerous women.
http://en.wikipedia.org/wiki/Karla_Homolka

Does this one even need an explanation?

http://www.celinedion.com/

http://www.erickarjaluoto.com/

Loves Fresh Death From McDonalds, Mother is a Phycopath and Father Served as a bomb Unit in the Canadian Forces killing Hundreds with a push of a button.