What is old man jenkins?

As an AI language model, I don't have access to information about any particular "old man Jenkins." However, the name "Old Man Jenkins" has been used in various movies, TV shows, and other media as a character or as a generic name for an elderly man. Some notable Old Man Jenkins characters include:

• Old Man Jenkins from the TV show SpongeBob SquarePants, who is a regular character in the show and is often portrayed as crotchety and set in his ways.
• Old Man Jenkins from the movie Scooby-Doo, who is a minor character and is described as a farmer with a southern accent.
• Old Man Jenkins from the TV show That 70s Show, who is a fictional character mentioned in passing by the character Eric Foreman.