Callan Stuart "Cal" Brunker (born November 16, 1978) is a Canadian animator, storyboard artist, screenwriter, and film director.
Cal Brunker has frequently collaborated with his partner Bob Barlen since 2009's Ollie & the Baked Halibut, who has later written films alongside since.
Before his directorial debut in Ninjamaica and then 2013's Escape from Planet Earth, Brunker has worked as a storyboard artist and an animator on films such as Looney Tunes: Back in Action, Horton Hears a Who!, and Despicable Me.
Brunker and Barlen have written screenplays for Arctic Dogs, Cranston Academy: Monster Zone, and The Son of Bigfoot in which they co-executive produced.
Serving as the director and co-writer and once more collaborating with Barlen alongside Billy Frolick, it was produced by Spin Master and Nickelodeon Movies, and released by Paramount Pictures in August 2021.