[2][3] Khan's nickname "RaiNKhaN" was adapted, along with his last name, from the Mortal Kombat character "Rain," who serves as an assassin for Shao Kahn in the series.

[4] On March 23, 2008, Khan won the PokerStars Sunday Warm-up, a weekly $215 buy-in tournament in which he outlasted a field of 2,504 players in more than nine hours of play, earning $97,856.

[5] At the 2007 World Series of Poker Main Event, Khan finished in sixth place, earning $956,243.

The rule, which disallows boisterous celebrations from any player, was drafted as a response to the perceived over-the-top actions Khan employed during the 2007 Series when he won a hand.

At the 2008 Caesars Palace Classic, Khan won the $10,000 No Limit Hold'em Championship event, earning the $1,000,000 first place prize, his largest win to date.