Steve Wolfhard was a writer on the Over the Garden Wall episode "The Old Grist Mill." Steve is a Canadian artist who is best known for being a writer and storyboard artist on the animated television show Adventure Time. He grew up in central Ontario, Canada and graduated from Sheridan College's Classical Animation program in 2003. After that, he worked as a character designer for the series Being Ian and Kid vs Kat and did illustration work for the graphic novels for children dubbed Zombie Chasers. He is also the author of the comic, Cat Rackham.