Digital Underground was an alternative hip hop group from Oakland, California. Their personnel changed and rotated with each album and tour.
Digital Underground's leader and mainstay was Greg "Shock G" Jacobs (also known as Humpty Hump); Shock G formed the group in 1987 with Jimi "Chopmaster J" Dright of Berkeley, California, and Tampa hip-hop radio deejay Kenneth "Kenny-K" Waters.