Bon Jovi
Poison
Ratt
The Scorpions
Def Leppard
Skid Row
Tesla
Twisted Sister

I would mention Iron Maiden and Guns 'N' Roses too...but I actually like those bands. ; P

Outside of the cock-rock genre:

Culture Club
Human League
Bananarama
Bad English
The B-52's
Devo (after their first album)