Leighton Walsh, better known by his stage name Walshy Fire, is a Jamaican-American DJ, MC and record producer who is better known as part of the dancehall reggae-influenced group Major Lazer alongside fellow DJs Jillionaire and Diplo.

Major Lazer is an electronic music project created by Diplo. Formerly a collaboration along with Switch, they parted ways in late 2011. Diplo has since enlisted producers/DJs Jillionaire and Walshy Fire (of Black Chiney)