23. Jermaine Dupri
First Production Credit: 1990
Became Known For Rapping: 1998
Signature Production: Mariah Carey's "We Belong Together"
Signature Rap: Jay-Z's "Money Ain't A Thang"
The guy who claims to still be cashing Kriss Kross checks insisted on grabbing the mic more often once the late '90s rolled around. Life in 1472 was a No. 1 album, and if anything, he'll always be remembered for "Money Ain't A Thang" with Jay-Z.