Will Arnett, Actor: The Lego Movie. Will Arnett was born on May 4, 1970 in Toronto, Ontario, Canada as William Emerson Arnett. He is an actor and producer, known for The Lego Movie (2014), Despicable Me (2010) and Teenage Mutant Ninja Turtles (2014). He has been married to Amy Poehler since August 29, 2003. They have two children. He was previously married to Penelope Ann Miller.