Peter Gene Hernandez (born October 8, 1985), known professionally as Bruno Mars, is an American singer, songwriter, and record producer. He is known for his stage performances, retro showmanship, and for performing in a wide range of musical styles, including pop, R&B, funk, soul, reggae, disco, and rock. Mars is accompanied by his band, the Hooligans, who play a variety of instruments, such as electric guitar, bass, piano, keyboards, drums, and horns, and also serve as backup singers and dancers.