TF's got coordination. He could sit on a stool, one foot on a bass drum pedal and another pedal rigged to a snare. Then use the headstock of his bass to hit the various cymbals. Maybe get two hi-hats and have one open and one closed. While he's at it, strap on the harp-holder and get him blowing out some harps.
That leaves you free to marvel at your creation, fight off the groupies, sing (with harmonies) and play guitar. While you're at it, get a double neck, attach the rhythm to a great sustain pedal, alter the tuning as needed and play both rhythm and lead.
That leaves your feet free to run one of those big padded MIDI controllers. That's where you can really