Hopefully I'm first to reply, so I can say, "there are better options out there."
Edit: editing because i wanted to be first ? and save the know-it-all from reaping the benefits. Anyway, sounds fun, would have to level him up pretty high though. I would say he could be a "finisher" after the psychic glass cannons take Machamp's HP down far enough. With AS/AA, being a tripple charge move, and the ability to use more frequent, in order to drain the last bit of HP