Elaine meets a man who's perfect except his name, Joel Rifkin, is the same as a notorious serial killer. Jerry is frustrated when he can't get his girlfriend, who's a masseuse, to give him a massage, even Kramer is a customer. George is obsessed when Jerry's girlfriend doesn't like him, so he tries extra hard to get her to like him, much to his own girlfriend's dismay. (Original Source)

Quotes
Elaine: Of course I support your decision to change your name.
Joel: After the Giants game I realized that this--this problem isn't going away.
Elaine: Well, listen, I just want you to know that I was more than willing to stick it out with Joel Rifkin.
Joel: Sure?
Elaine: (she fakes a strangling) RRR...
Joel: O.K. you got your list?
Elaine: Yeah. Yeah. 10 names.
Joel: Right.
Elaine: O.K. And if somebody objects, you can just veto it.
Joel: O.K.
Elaine: O.K. You start. What's your first choice?
Joel: Stuart.
Elaine: (right away) No. Second choice.
Joel: Stu--Stuart's no good?
Elaine: I've never met a normal guy named Stuart....
Joel: Ned?
Elaine: What is wrong with Ned?
Joel: Ned's a guy who buys irregular underwear. Next!...
Elaine: O.K. O.K. Remy.
Joel: Remy Rifkin? Should I get a beret?

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Notes
one of the names that Elaine suggests her boyfriend change his name to was O.J.. Several months later of course we all know what happened to that name.