Michael David Cummings (born August 25, 1968),^[1] better known as Spider One, is an American singer, record producer, and director. He is the founder and only consistent member of the rock band Powerman 5000. He is the younger brother of musician and filmmaker Rob Zombie.

Spider One was born Michael David Cummings in Haverhill, Massachusetts,^[2] the second of two sons. His older brother, Robert Bartleh Cummings, is better known as the musician and film director Rob Zombie. Contrary to popular belief, Spider One has stated that there has never been a sibling rivalry between him and his brother, neither personally nor musically.^[2] In 1991, he dropped out of art school, bought a cheap four-track home studio and a drum machine, and recorded Much Evil with producer Lamar Lowder. Building on local success, Spider One's band Powerman 5000 was born.

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Cummings created the horror/black comedy mockumentary series Death Valley, which aired on MTV for one season in 2011.^[3] He is the owner of Megatronic Records.

Spider One's influences reportedly include Kurt Cobain, Philip Anselmo, Chris Cornell, Sebastian Bach, Tom Araya, Dave Mustaine, Anthony Kiedis, Jonathan Davis, Jon Bon Jovi, Eddie Vedder, Vince Neil, James Hetfield, Joey Tempest and Axl Rose.

Spider One's vocal style is usually based in spoken word or chanting.^[4]

• True Force (1994)
• The Blood-Splat Rating System (1995)
• Mega!! Kung Fu Radio (1997)
• Tonight the Stars Revolt! (1999)
• Anyone for Doomsday? (2001)
• Transform (2003)
• Destroy What You Enjoy (2006)
• Somewhere on the Other Side of Nowhere (2009)
• Copies, Clones & Replicants (2011)
• Builders of the Future (2014)
• New Wave (2017)
• The Noble Rot (2020)