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Jerry Holkins and Mike Krahulik
Ages: 34 and 32, respectively
Occupations: Cartoonists, writers
Previous TIME 100 Appearances: 0
Since launching in 1998, Penny Arcade has become one of the most popular and longest-running gaming webcomics. Holkins and Krahulik have parlayed that success into other ventures, like their charity Child's Play — which delivers toys and video games to children in hospitals worldwide — and the Penny Arcade Expo, or PAX, a festival for console, PC and tabletop game enthusiasts.