Pat Finn was a beloved character actor and one of his most memorable roles was on Seinfeld. Finn appeared in the season 9 episode titled "The Reverse Peephole," which aired in 1998. Finn played the group's friend Joe Mayo. In the episode, Jerry (Jerry Seinfeld), Elaine (Julia Louis-Dreyfus) and George (Jason Alexander) are looking for a housewarming present for Joe and the trio decide on a massage chair. George decides he wants to save a few bucks, so he buys the piece of furniture from Delaware. However, the chair does not arrive in time for Joe's party, so the group shows up empty-handed.