Jason Shannon Acuña (born May 16, 1973), better known by his stage name Wee Man, is an American actor, stunt performer professional skateboarder, and television personality. He is one of the stars of Jackass on MTV and the host of Fox Sports Net's skateboarding show 54321. Acuña has achondroplasia, a form of dwarfism, and is 4 ft ½ in (123 cm) tall.