Kool Keith was a cofounding member of Ultramagnetic MCs. Thier first song "Critical Beatdown" was released in 1988. After two more albums with the group, "Funk Your Head Up" and "The Four Horsemen", Kool Keith released his solo album, "Dr. Octagonecologyst". He released it under the name Dr. Octagon in 1996. He next released a series of hip hop albums. These include "Sex Style", "First Come, First Served" (as Dr. Dooom), and most recently "Keith".