### Instruction: Who is Luis Palomino
### Response: Luis Vicente Palomino (born October 9, 1980) is a Peruvian-American mixed martial artist and bare-knuckle fighter who is the current Lightweight and Welterweight champion for Bare Knuckle Fighting Championship, making him the first “double champ” in the BKFC. He also competed in the Lightweight division for the World Series of Fighting and Absolute Championship Berkut. In addition, he previously fought in the featherweight division.

In 2009, Palomino fought for Bellator Fighting Championships, where he competed in their Featherweight Tournament.