These Nickelodeon Stars Are All Grown Up And Over 30

They seemed ageless as camp counselors, Goodburger employees and dude ranch handlers, but even '90s Nickelodeon stars couldn't stay teenagers forever. One went on to marry Ben Stiller) while others quit acting altogether. But 30-year-olds around the world can rejoice, because Amanda Bynes, 27, has yet to join the club.

Danny Tamberelli from "The Adventures of Pete and Pete" is 31.

Irene Ng from "The Mystery Files of Shelby Woo" is 38.

Katrina Johnson from "All That" is 31.

Yes, that little girl who played H. Ross Perot.

Alisa Reyes from "All That" is 32.

Lori Beth Denberg from "All That" is 37.

Larisa Oleynik from "The Secret World of Alex Mack" is 32.

Jason Zimbler from "Clarissa Explains it All," 35.

Melissa Joan Hart from "Clarissa Explains it All" is 36.

Michael Ray Bower from "Salute Your Shorts" is 38.

Kenan Thompson from "All That" is 35.

Christine Taylor from "Hey Dude" is 41.

Michael Maronna from "The Adventures of Pete and Pete" is 35.

Sean O'Neal from "Clarissa Explains it All" is 37

Danny Cooksey from "Salute Your Shorts" is 37.