[There is indeed two, as he's in the middle of finding out, so for now he just kind of shrugs helplessly.]

Well, ah, yes and no. The name's Wheeljack but punching people? That's not really my thing. [His thing being more along the lines of developing microchips that prevent altmodes and can detonate your head from a distance but NOT GOING TO MENTION THAT RIGHT NOW.]
I'm an engineer. Theoretical physics and applications.

You've got to be a Ratchet.