Casper Kelly is an American writer, director, and producer.
Kelly is the co-creator of the Adult Swim live-action series Your Pretty Face Is Going to Hell, the Adult Swim animated series Stroker & Hoop, and the Adult Swim Infomercials episode Too Many Cooks, which he also directed. Too Many Cooks was released online and went viral, amassing over two million views within five days of its release. He also co-directed and co-wrote another Infomercials episode in 2018 titled Final Deployment 4: Queen Battle Walkthrough which subverts livestreaming gaming culture. He has written episodes of Squidbillies, Harvey Birdman, Attorney at Law, Aqua Teen Hunger Force, and Nickelodeon's CatDog.
He is also a fiction writer. His book, More Stories About Spaceships and Cancer, a collection of short stories, was published in 2012. His short story, The Sensitive Person's Joke Book, was published in the web literary magazine Necessary Fiction.
In 2022, he wrote and directed the horror comedy film Adult Swim Yule Log, also known as The Fireplace, which premiered on Adult Swim on December 11.
In 2023, he created '. A promotional series for the 50th anniversary of '
In 2024, he wrote and directed the horror comedy film ', which premiered on Adult Swim on December 6.
On 23 July 2025, Variety revealed that Kelly was among the filmmakers who directed a segment for V/H/S/Halloween, Shudder's 8th installment in their horror anthology V/H/S franchise. The film was released in October 2025.
Actor