Elaine Benes may be one of Jerry's ex-girlfriends, but she manages to stick with the gang and just be one of the boys on Seinfeld.  Elaine is intelligent and frequently has impressive jobs throughout the series.  Elaine definitely struggles finding Mr. Right and has an on-and-off again relationship with David Puddy from season six and on.

Elaine Benes Quotes

Elaine: You'd think they'd mention that before they send you over there: "Oh, by the way, this woman almost has a second head." But no, no, I didn't get any goiter information.

Elaine: (referring to Dr. Reston) He's like a Svenjolly.
Jerry: Svengali.
Elaine: What did I say?
Jerry: Svenjolly.
Elaine: Svenjolly? I did not say Svenjolly.
Jerry: George?
George: Svenjolly. (licking some peanut butter off his finger)
Elaine: I don't see how I could've said Svenjolly.
Jerry: Well, maybe he's got, like, a cheerful mental hold on you.

Seinfeld Quotes

I lie every second of the day. My whole life is a sham.

George

Elaine: You'd think they'd mention that before they send you over there: "Oh, by the way, this woman almost has a second head." But no, no, I didn't get any goiter information.