Joel Thomas Zimmerman (born January 5, 1981), better known by his stage name Deadmau5 (stylized as deadmau5; pronounced "dead mouse"), is a Canadian progressive, electro, and house producer based in Toronto, Ontario. Although Deadmau5 classes himself as having no genre, his extensive discography includes tracks such as "Arguru" and "Not Exactly", which have been included in compilation albums such as In Search of Sunrise 6: Ibiza, MixMag's Tech-Trance-Electro-Madness (mixed by deadmau5 himself), and on Armin van Buuren's A State of Trance radio show. His debut album, Get Scraped, was released in 2006, followed by others in the next few years.
As well as his own extensive solo back catalogue, deadmau5 is recognised for his work alongside numerous other DJs and producers, such as Kaskade, MC Flipside, Rob Swire of Pendulum, Skrillex, and Steve Duda under the BSOD alias.
He was nominated for a Grammy in 2009 for his remix of the track "The Longest Road" by Morgan Page featuring Lissie in the category of "Best Remixed Recording, Non-Classical"
deadmau5 won a Juno Award for Dance Recording of the Year in 2010 for the album For Lack of a Better Name.
He is known for often performing in a titular costume head which he originally created while learning to use a 3D program, which resembles a mouse head.
On October 27, 2010, DJ Magazine announced the results of their annual Top 100 DJ Poll, placing deadmau5 at #4, up two spots from the previous year.