Kamal Humphrey de Iruretagoyena, better known by his stage name Radioinactive, is an American hip hop artist from Los Angeles, California. He is a member of The Shape Shifters. He was a member of Log Cabin along with Eligh, Murs and Scarub. He has released a number of solo albums, as well as collaborating with artists such as Busdriver, Daedelus, and Antimc.