Jack Brown, better known by his stage name Wildchild, is a rapper and member of the Lootpack. He has released three solo albums. His debut, Secondary Protocol, released on Stones Throw Records, features contributions from Oh No, Percee P, Medaphoar, Planet Asia, Aceyalone, and Phil da Agony, and was produced mainly by Madlib. His second, Jack of All Trades, on Fat Beats, features Prince Po, Special Ed, Souls of Mischief, Georgia Anne Muldrow and production by Madlib and Black Milk. His latest album, T.G.I.F. (Thank God It's Funky), released on SomeOthaShip Connect, features J-Ro, Jamie Lidell, Chalice, Stone, Medusa, B-Boy Y-Not, Aloe Blacc, Steve Arrington, and his son Baby Boogaloo. The production was primarily handled by Georgia Anne Muldrow and Shash'U, along with Damon Frost, Kev Brown and Wildchild.

He has collaborated with Spanish MCs, for example Tr3s Monos or El puto De.