Gropus Cackus was a notable New Zealand rock band active in the late 1960s and early 1970s. Known for their experimental approach to music, they blended elements of traditional rock with psychedelic influences, resulting in a distinctive sound that was both innovative and captivating. The band, featuring key members like Bruce Sontgen and Merv Pinny, made a significant contribution to the New Zealand music scene, especially with their influential single "Toy Love". Despite their relatively brief lifespan, Gropus Cackus's unique sonic explorations left a lasting impact on the country's rock music landscape.