Mushroomhead is an 8-member American alternative metal band from Cleveland, Ohio formed in 1993. They have released 7 albums and 11 singles. They are known for wearing masks and either military uniforms or jumpsuits during performances. Because of their many similarities, they have been in a rivalry with heavy metal band Slipknot, though the feud is now officially over.
Mushroomhead has developed a unique music styling that combines alternative rock, heavy metal and industrial rock with techno and funk.