Uncle Sherm is the father of Stanley Squarepants. He was mentioned in a few episodes. He first is mentioned in the episode Stanley S. SquarePants. In the episode he sends his son to SpongeBob's house due to his inability to hold down a job, and he ruins everything he touches. During his stay at his house he never allowed Stanley to watch television, or touch the refrigerator, or toilet.
He is famious for the ability to stick a watermelon up his nose.
- Pest of the West - (mentioned; picture)
- Stanley S. SquarePants - (mentioned; letter)
- Krab Borg - (mentioned)
- Nicktoons: Battle for Volcano Island (Video Game) - (mentioned)