Robert Edward Stupak was a Las Vegas casino owner and entrepreneur. He was also a poker player, winning titles at the World Series of Poker and the Super Bowl of Poker. He also competed on the World Poker Tour, and various other tournaments, as well as cash games, including High Stakes Poker on GSN. He once played a computer for half a million dollars and won.

Vegas World was a space-themed casino and hotel on Las Vegas Boulevard in Las Vegas, Nevada. It was owned and operated by Bob Stupak, and was also signed as Bob Stupak's Vegas World.