Inspired by Faber's reveal of the prototype Voodoo Heads sets, I present to you Doo Basher!
The two gears on his shoulders control his individual arms as seen below.
Turning the gears will snap the corresponding arm forwards. Releasing the gear will cause the arm to snap back into its original position.
There is a lever on his back powered by a rubber band that enables you to snap both arms forward at the same time...causing him to bash his opponents.