"Phat (William Robert \"Billy-Bob\" Reilly) is an openly gay fictional character, a mutant in the Marvel Universe. He was created by Peter Milligan and Mike Allred in X-Force vol. 1 #117 (2001). Phat's mutant power is the ability to expand the fat deposits in his body, making his body larger and fatter."@en . . . "Phat"@en .