Yeah, flailing strike can get interesting. Isn't there a wild shape monk in a Dragon mag?
aNarchnomancer from Dragon #315? gives you the ability, at level 1 of the PrC, to roll a cohort and turn into it. And you foes have NO way to see your old character, until you burst for as a full-round action!
this is not the aRachnomacer from Drow of the Underdark