As much as I want a Chimera to be playable, it's seems very unlikely. The Hedgehog grenade and the Atomizer (it was leaked) are items in the game. The hedgehog grenade is the main grenade for the Chimera and would have been in it's moveset if the Chimera was playable. The atomizer would have been in it's moveset too. I think the Chimera has a good chance of being DLC.
I made this Move-set a while ago before it had occurred to me that SuperBot actually did create a numeric system for measuring AP (so basically sometime during the beta phase).
I was running on Parappa punches as a unit of measurment before, but I've updated it for the current system. I was thinking of revising it to detail AP-gain, hit-reaction and whatever other notes deserve mentioning.