William Sasso (born May 24, 1975) is a Canadian actor, comedian and podcaster. He is notable for his five seasons as a cast member on Mad TV from 1997 to 2002, for starring as Curly in the 2012 film reboot of The Three Stooges, and as Mover #1 in Happy Gilmore (1996). He is also known for his TV roles as Carl Monari in Less than Perfect (2003–2006), Doug Martin in How I Met Your Mother (2008–2012), and Bill Ryan in United We Fall (2020).

Early life
William Sasso was born on May 24, 1975, in Ladner, British Columbia, to Italian immigrant parents.