Jonathan H. Smith (born January 17, 1971), better known by his stage name Lil Jon, is an American rapper and record producer. Regarded as a progenitor of the club-oriented hip-hop subgenre crunk, his production and voice presence were instrumental in the genre's commercial breakthrough in the early 2000s. He was also the frontman of the crunk group Lil Jon & the East Side Boyz, with whom he has released five albums.
https://en.wikipedia.org/wiki/Lil_Jon