Maynard James KeenanUnited StatesMaynard James Keenan (born James Herbert Keenan; April 17, 1964), often referred to by his initials MJK, is an American musician, record producer, winemaker, and actor, best known as the vocalist for Grammy Award-winning progressive metal band Tool. He is originally from Ohio, but spent his high school and college years in Michigan. After serving in the United States Army in the early 1980s, he attended Kendall College of Art and Design in Grand Rapids. He moved to Los Angeles, California in 1988 to pursue a career in interior design and set construction. Shortly thereafter, he formed the band Tool with Adam Jones.
Keenan is also the lead singer of A Perfect Circle. In 2003, he created Puscifer as a side project and has subsequently released three studio albums. Since rising to fame, Keenan has been noted as being a recluse; however, he does emerge to support charitable causes.
In addition to his music career, he has performed improvisational sketch comedy and ventured into acting. He currently owns Merkin Vineyards and the associated winery, Caduceus Cellars, which are located in Arizona, where he lives.