According to The Hollywood Reporter, C.K. appeared in two episodes in 2015 and 2016, “Weirdmageddon: Part 1,” and then its follow-up, “Weirdmageddon: Part 3.” His character is officially ...

C.K. voiced "The Horrifying Sweaty One-Armed Monstrosity" in two Gravity Falls episodes: 2015's "Weirdmageddon: Part 1" and 2016's "Weirdmageddon: Part 3." His name has also now been removed from ...