WE ARE RICH KIDZ Rich Kidz, also known as RK4L......is an Atlanta-based teen musical force. This force is unique. It is founded, marketed, promoted, funded and executed by it's own members, teenage artists. The group's name is symbolic of their mission - young entrepreneurs achieving success - Rich Kidz. Founded in 2008 by group leader Yung PU, while a senior at Frederick Douglass High School in Atlanta, Georgia, his mission was to collaborate with other talented teens and make a mark in the music industry.