I think that backstage interviewer guy should get a card...whatever his name is.
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'kay, I've been going through the online Episodes (starting with Season 3,episode 16) and am more or less prepared to intelligently respond to this question.
I'd like to see (in no particular order, and assuming they are still with the company):
* Jarek Matthews * Big Duke * Othello * Christian Cole (with poor wrestling stats) * Stu Stone/Family Stone (manager card) * Ricky Mandel * Shelly Martinez (with wrestling stats) * Matt Striker * Che Cabrara & Sasha Darevko