Peter Frank was ran over by a car at age 14 and was in a wheelchair for a month before his rehabilitation, during his rehabilitation he was told he would never be able to unicycle again. He astonished doctors by not only getting back on a unicycle but by unicycling across America and raising $28,000 for The Beacon House. He is also currently, canoeing a distance of 3,766km down the Mississippi river dressed as a pirate.
His website is www.whereispeterfrank.com