Todd's body: Coil and charge up for spring attack.
Todd's Head: While still flaying, try to fling Reginald upwards.
Todd's Rattler: Play a rousing marakas melody, inspiring the FLYING EYEBALL PLANE to do greater things!
Todd's Eyes: Stop spinning, start charging your lasers.
Todd's Eyeball Plane: Increase altitude and bombard Reginal's Head with acid tear bombs!
Reginald's Left Arm: Extend as long as 2 helicopters and wrap around Todd's neck, causing him to choke
Reginald's body: Poop out all NON-VITAL ORGANS to save weight. Like the appendix. Actually, better get rid of the whole large intestine, it's too large. Reggie's awesome, he can make do with just a small one. Liver? Nah, don't need it. Better keep the rectum for awesome FLATULENCE MANOEUVRES, but now that he's got awesome mirrors he doesn't need so many ribs, so get rid of a few of those. I am confident that this is the best move possible here.
Reginald's legs: Activate rocket feet!