Bootsy, Casper, Zillatron himself. Without stealing from the FUNK, there would be no gangster rap -- not that we really ever needed more than a lil o that shyt, As it is it is the sound that introduced many young'uns to the glory and majesty that is the world's greatest band, The Parliament-Funkadelic (And by extension Bootsy's Rubber Band, the Brides of Funkenstein, Parlet, PFUnk-Allstars, etc.
Dre looks older than Bootsy.
https://blackamericaweb.com/2018/03/09/bootsy-collins-dr-dre-are-cooking-new-beats-in-the-studio/