*Lil Jon* 

Lil Jon is an American rapper, DJ, and record producer. He is best known for his signature "Yeah!" catchphrase and for popularizing the crunk subgenre of hip-hop music. 

He gained national attention with his group, Lil Jon & the East Side Boyz, in the early 2000s. Their 2002 album "Kings of Crunk"  included hits like "Get Low" and "I Don't Give A...," which became club anthems and chart-toppers. 

In addition, Lil Jon has produced and collaborated with many other artists. He has worked with Usher, Pitbull, Ciara, and many others. He also co-wrote and produced the hit single "Yeah!" by Usher featuring Ludacris, which won a Grammy Award for Best Rap/Sung Collaboration in 2005 and also Grammy nominated hit “Turn Down For What” with DJ Snake.