Fame can be a b---h. One moment, as John Lennon once said, you're "more popular than Jesus." The next, no one is returning your calls. The transition from obscurity to popularity to invisibility can happen faster than a New York minute. And one place where that phenomenon has happened more often than most is at 'Saturday Night Live.' Some people quickly become big stars and then fizzle after they leave the show. Others simmer on the proverbial comedic backburner and later laugh their way to a box office bonanza.

Here are the Top 'SNL' cast members who blew up. Or blew out, starting with: