Main Characters • Jerry Seinfeld
• George Costanza
• Elaine Benes
• Cosmo Kramer Recurring Characters • Newman
• Ruth Cohen
• Morty Seinfeld
• Helen Seinfeld
• Estelle Costanza
• Frank Costanza
• Uncle Leo
• Susan Ross
• Jacopo Peterman
• George Steinbrenner
• Matthew Wilhelm
• David Puddy
• Kenny Bania
• "Crazy" Joe Davola
• Jackie Chiles
• Mike Moffit