ALEX RIGOPULOS and ERAN EGOZY

AGE: 38 and 37, respectively
OCCUPATION: Co-creators of the Guitar Hero videogame series and creators of Rock Band
NUMBER OF TIME COVERS: 0
PREVIOUS APPEARANCES ON THE TIME 100: 0

PRO: Their company, Harmonix, was purchased by MTV shortly after Guitar Hero, their addictive shred simulator, hit it big. Rock Band is the full-band version, and its creators see bands making RB-ready tracks available for download.

CON: A lawsuit from Gibson Guitars for patent infringement — how very rock and roll.