OCCUPATION: South Korean pop star
PREVIOUS APPEARANCES ON THE TIME 100: 1
PRO: His No. 2 finish in last year's online poll earned Korea's Justin Timberlake the attention and satirical scorn of third placer Stephen Colbert, who challenged the ponytailed body popper to a televised dance-off.
CON: Even with the Colbert bump, he still hasn't broken big in the U.S.