John Stamos (born August 19, 1963) is an American actor best known for his work on Full House and well known in Disney fandom circles for his vast collection of Disney park memorabilia ranging from ride vehicles and animatronic figures to the "D" from the 90s-era Disneyland sign.
He made a cameo appearance in Muppets Haunted Mansion as a spirit responding to Pepe's desires to meet celebrities at a Halloween party he assumed was happening at the Mansion.