Harpin is a graduate of California Institute of the Arts.
Harpin was a storyboard artist on the 2013 film Free Birds and the Wes Anderson film Moonrise Kingdom. He also helped create the animated television series Clarence and wrote various episodes. He quit in 2014 due to conflicts with one of the other members of the staff. He can also be reconized by being a storyboard artist on Moonrise Kingdom, Ice Age: Continental Drift and Hotel Transylvania 2.
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