Like most of the Squarepants', Sherm is square, and has holes. He has several buck teeth, pants like Spongebob, a bow tie, brown eyes and has a watermelon in his nose.
In the episode Stanley S. SquarePants, Sherm sends his son to SpongeBob's house due to his inability to hold down a job, and that fact that he is irresponsible, and that he ruins everything he touches. Sherm took away several privileges of his adult son, in which Stanley has referenced by telling SpongeBob that his father never allowed him to watch TV, or touch the refrigerator, or toilet.
Sherm is mentioned various times in the series, but is never seen except briefly in Pest of the West when Spongebob shows a picture of him with a watermelon up his nose.
- He only appears as a photo briefly in the episode Pest of the West.