Callan Stuart "Cal" Brunker is a Canadian animator, storyboard artist, screenwriter, and film director. He is best known for directing The Weinstein Company's animated film Escape from Planet Earth, The Nut Job 2: Nutty by Nature, Nickelodeon's Paw Patrol: The Movie and Paw Patrol: The Mighty Movie, all of which he co-wrote with his business partner Bob Barlen. From Wikipedia
