Reub, Reubie, Ben, Benny.
Famous people named Reuben:
Chess grandmaster Reuben Fine; U.S. Congressman Reuben Fenton; politician Reuben Wood.
A Reuben is also a type of very tasty sandwich made with corned beef, rye bread, sauerkraut, and Thousand Island dressing. Don't knock it 'til you've tried it.