Robbin Crosby was an American musician best known as the lead guitarist for the rock band Ratt. Born on August 4, 1961, in Los Angeles, California, he played a significant role in the band's success during the 1980s, contributing to their signature sound with his distinctive guitar riffs and solos. Crosby was also involved in other musical projects throughout his career, including collaborations with various artists. He struggled with substance abuse issues, which affected his health and career. Robbin Crosby passed away on June 6, 2002, leaving behind a legacy in the hard rock genre.