Thomas Dwan Jr. (born July 30, 1986) is an American professional poker player who regularly plays online in the highest-stakes No-Limit Texas hold 'em and Pot-Limit Omaha games, primarily on Full Tilt Poker, where he plays under the screen name "durrrr". In November 2009, Dwan became a member of Team Full Tilt. and re-signed as a brand ambassador for the site on October 15, 2012.
Dwan has won prize money in live poker tournaments and has appeared on NBC's National Heads-Up Poker Championship, the fourth, fifth, sixth & seventh seasons of Poker After Dark, the third and fourth seasons of Full Tilt Poker's Million Dollar Cash Game, and the fifth and sixth seasons of GSN's High Stakes Poker. He attended Boston University before dropping out to pursue poker full-time.