Deadmau5 (pronounced "dead mouse"), born Joel Thomas Zimmerman on January 5, 1981, in Niagara Falls, Ontario, is a Canadian electronic music producer and DJ renowned for his innovative contributions to the electronic dance music (EDM) scene. He is particularly noted for his work in progressive house and electro house, and he also explores techno under the alias Testpilot .

Deadmau5's music is characterized by intricate melodies, atmospheric textures, and meticulous sound design. His tracks often feature gradual builds and layered synths, creating immersive listening experiences. While his primary genres are progressive and electro house, he incorporates elements from techno, trance, and ambient music, showcasing a versatile and evolving sound .​