|Full name||William Emerson Arnett|
|Born:||May 4, 1970|
|Birthplace:||Toronto, Ontario, Canada|
|Years active in career||1996-present|
William Emerson "Will" Arnett (pronounced /ɑrˈnɛt/; born May 4, 1970) is a Canadian actor and comedian best known for his role as George Oscar "G.O.B." Bluth II.
He was previously married to Amy Poehler, who portrays G.O.B.'s wife.