Michael David Cummings (born August 25, 1968), better known as Spider One, is an American singer. He is the founder and only consistent member of the rock band Powerman 5000.
Cummings was born in Haverhill, Massachusetts. He is the younger brother of musician and film director Rob Zombie by two years, and has played some shows with him.
In 1990, Cummings recorded the 12" single "Much Evil" with producer Lamar Lowder. Building on local success, including winning the Boston Phoenix/WFNX 1990 Readers' Poll "Best Rap Act" category and getting nominated for a Boston Music Award.
Cummings co-developed the horror/black comedy mockumentary series Death Valley, which aired on MTV for one season in 2011. He directed the films Allegoria, Bury the Bride, Little Bites, and Big Baby.
AllMusic described Cummings' vocal style on the album Tonight the Stars Revolt! as monotone chanting. Other descriptions of his style include the frequent "barks and rhythmic delivery."