Semper gained popularity with his Notorious BIG work inspired by a photo of the late rapper The Notorious B.I.G..
He crafted the sculpture from thousands of layers of glued paper.
Semper's work has been collected by global corporations and celebrities such as Business Insider, Marriott International, Champs Sports,Market America and Shop.com, A$AP Rocky,Fat Joe, Dj Khaled, Wendy Williams, Elvis Duran, Ryan Seacrest, and Kelly Ripa from Live with Kelly and Ryan, JR and Loren Ridinger, as well as numerous private collectors and institutions.