Nelson are a sibling act comprised of Matthew and Gunnar Nelson, the twin sons of the '50s rocker and teen idol Rick Nelson. During the early '80s, the brothers joined a heavy metal band called Strange Agents. By the end of the decade, the group's name had changed to Nelson, as the twins were the only remaining members. With Matthew on bass and Gunnar on guitar, the duo released their self-titled debut in 1990.