Apparently, Mark Ballas from Dancing with the Stars is ticklish.
He goes through some relaxation machines and in two of them, both of which involved his feet, he says that it tickles.
http:// www. youtube.com/ watch?v= 4aSmi3VqQkU
he says "it tickles" three times, at 0:56, 4:43, and 4:51. at...