The Bronx is an American punk rock band from Los Angeles, California, originally formed in 2002. The band's current lineup consists of vocalist Matt Caughthran, guitarists Joby J. Ford and Ken Horne, bass guitarist Brad Magers, and drummer Joey Castillo. The band has released six studio albums, as well as three additional albums of mariachi music under the moniker of Mariachi El Bronx.

Joseph William Castillo is an American musician. He is best known for being the drummer of the hard rock band Queens of the Stone Age from 2002 to 2012. He is currently a member of Circle Jerks, The Bronx, DOOM Regulator, Zakk Sabbath and Sugartooth, with former bands including Danzig, Wasted Youth, California Breed, Zilch, and Scott Weiland and the Wildabouts.