Lobby Loyde was an influential American rock guitarist and singer-songwriter known for his work with the psychedelic rock band Cactus in the 1970s, where he helped define the band's heavy, blues-based sound. His raw guitar style and energetic performances made him a notable figure in hard rock and heavy metal circles during that era. Though he maintained a relatively low profile compared to his contemporaries, Loyde's contributions to rock music remain respected by musicians and fans of classic rock.