The right answer is Corporate Rock. By this time he had found his footing/stride as a heel -- Nation Rock's apex was during tweener days -- and Corporate Rock was BY FAR the grimiest/gulliest/most with the shyts of the three when it came time to give the hands (see: matches/confrontations he had while wearing some form of a track suit).
Hollywood Rock wasn't really a heel like that in terms of crowd reaction. Sans that damn MAPLE LEAFS SUCK promo