The term SEINFELD NAME is a reference to the popular American sitcom Seinfeld, which aired from 1989 to 1998. The two crossword solutions for this term are COSMO (5 letters) and ELAINE (6 letters). Cosmo Kramer is a character on the show who is known for his eccentric behavior and wild antics. Elaine Benes is another character on the show who is known for her strong personality and independent attitude.