His name is Josh Sundquist.
He is a comedian, author, motivational speaker, and paralympian.
Every year, during Halloween, he goes viral because he finds a new way to incorporate his one leg with his Halloween costume!
Previous years included The Christmas Story leg lamp, the candlestick from Beauty and The Beast, and Tigger from Winnie The Pooh.
This year it is Genie from Aladdin!