Answer: uncleleo

AnswerCrossword Clue
UNCLELEO

Seinfeld's eccentric relative

UNCLELEO

"Seinfeld" character with the catchphrase "Jerry! Hello!"

UNCLELEO

Lesser "Seinfeld" role played by Len Lesser

UNCLELEO
Eccentric 'Seinfeld' character
UNCLELEO
Helen Seinfeld's brother