| Character | Nickname | Origin |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| Jerry Seinfeld | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| George Costanza | |
| Kramer | |
| Kramer | |
| Kramer | |
| | Character | Nickname | Origin |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Kramer | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Elaine Benes | |
| Newman | |
| Newman | |
| Newman | |
| Newman | |
| Newman | |
| Newman | |
| David Puddy | |
| David Puddy | |
| David Puddy | |
| Sue Ellen Mischke | |
| Sue Ellen Mischke | |
| Joel Rifkin | |
| Joel Rifkin | |
| Salman Rushdie | |
| Salman Rushdie | |
| Glenn | |
| Glenn | |
| Scott | |
| Scott's fiancee | |
| Susan Ross | |
| Mrs. Kramer | |
| Joe Davola | |
| Marla Penny | |
| Mr. Morgan | |
| Wyck Thayer | |
| | Character | Nickname | Origin |
| Aaron | |
| Leslie | |
| Dan | |
| Paul | |
| Kevin | |
| Gene | |
| Feldman | |
| Vargas | |
| Simon | |
| Neil | |
| Jodi | |
| Lou Filerman | |
| Yev Kassem | |
| Tim Whatley | |
| Tony | |
| Meryl | |
| Stan | |
| Bob and Cedric | |
| Donna Chang | |
| Karl | |
| Donald Sanger | |
| Jason Hanky | |
| Lisi | |
| Sara Sideridis | |
| Jerry Persheck | |
| Larry | |
| Alan Mercer | |
| Cheryl | |
| Mr. Wilhelm | |
| Jack | |
| Jacopo Peterman | |
| Gwen | |
| Laura | |
| Wendy | |
| Dolores | |
| Gennice | |
| Roy | |
| Lt. Bookman | |
| Franklin Delano Romanowski | |
| Antonio | |
| Bob Cobb | |
| Magnus | |
| Gillian | |
| Frankie Merman | |
| Ramon | |
| Joe DiMaggio | |
| José Carreras | |
| Mohel | |
| Electrician | |
| Truck Driver | |
| Apartment Employee | |
| Airline Employee | |
| Hospital Patient | |
|