Harland Reesor Williams is a Canadian and American comedian and actor. After several years of performing stand-up comedy in Toronto and Los Angeles, he made his film debut in Dumb and Dumber (1994) before playing starring roles in the short-lived sitcom Simon and the Disney comedy RocketMan (1997). He co-starred in Half Baked and played a psychopathic hitch-hiker in There's Something About Mary in 1998. He later appeared in films such as The Whole Nine Yards (2000), Freddy Got Fingered (2001) and Sorority Boys (2002), and provided voices in works such as Gary & Mike, Robots (2005), Meet the Robinsons (2007), and Sausage Party (2016). He is also an author of children's books, and creator of the children's animated series Puppy Dog Pals (2017–2023).