Julia Louis-Dreyfus is the only Seinfeld actor who's had a successful career since the end of the show, but then again, I think in some small way, it's easier for women to get by like that... somehow, a lot of it has to do with their appearances, it seems like all they have to do is change their hairstyle, and they look like a completely different person... if years ago you were to show me Old Christine, I guarantee you I would not have recognized her as Elaine Benes.
There was also a LOT of expectations that the stars of Seinfeld, when they went to their own shows, would be as funny or as successful as Seinfeld (or their respective characters). I wouldn't exactly say that Julia was the only one to find a career. Patrick Warburton carved out a niche as a voice actor before landing that "why the heck is this still on the air" series Rules of Engagement. But the biggest success was show creator Larry David's Curb Your Enthusiasm. None of the shows anyone did was half as funny as Seinfeld, not because of the stars... because of the quality of writing. Heck, I actually watch old Seinfelds and pick out things that could happen to Larry David's character in that show.
It's the writing talent that makes a show, not just the stars. That's why I was disappointed with Camp Lazlo. I thought with Joe Murray behind it, it had to be as funny as Rocko. Unfortunately, Rocko's writing team wasn't there.
I don't keep up with these Disney chicks, but it seems like Miley Cyrus pops in the news when you least expect over some kind of mild scandal... like recently, she was in the news for a tattoo she got support gay rights, and telling the uber-Conservative religious crowd that they need to re-read the Bible where it says we're not to be judgemental of other people.
What really gets me is the fact that these uptight soccer moms that pretended to be cool by watching Hanna Montana are thinking the actress is the character, and therefore that character should never grow up and has to be a role model for little kids. And the words role model are, combined, the most dangerous term in the English language. It forces an unrealistic rule of conducts and beliefs onto famous people, fictitious or real, that anytime they screw up and act human instead of god-like, they're the evilest monsters on the planet.
Now, I could go on about those homophobic biddies, and their backwards imaginary 1950's utopia... but here's a role model that can be destroyed quite easily...
Wonder Woman. The champion of woman's rights, a role model super hero for little girls (that don't read X-Men), and overall loved by women who wanted their own Batman and Superman, before they created Batgirl and Supergirl.
The guy who created him... very deviant. He was all about bondage (why else did WW have a lasso as her main weapon? Not to mention her weakness was being tied up by a man! No lie... look it up), and not only was he a married man with a lover on the side... he had children with both women (wait for it)... and BOTH women were so friendly, they lived for years after WW's creator died.
Now, if that didn't start a Wonder Woman comic/merchandise burning party, no one should get on Miley's case for not wanting to stone gay people to death because of some poorly translated references to Levitcan Law.