20. Marla Penny

Actress: Jane Leeves

When George’s mother caught him pleasuring himself, she fell over in shock and had to go to the hospital. George, Elaine, Jerry, and Kramer enter into a contest for who can go the longest without masturbating. Jerry is frustrated because his girlfriend, Marla, is a virgin.

Jerry is frustrated because his girlfriend, Marla, is a virgin. She eventually tells him she’s ready to take their relationship to the next level, though, so Jerry has to tell Marla about the contest. She runs out, offended.