Maynard James Keenan (born James Herbert Keenan; April 17, 1964) is an American singer-songwriter.
He is the lead singer and primary lyricist of the rock bands Tool and A Perfect Circle with whom he has released five and four studio albums, respectively.
In 2003, he created Puscifer as a side project, with which he has released three studio albums.
Originally from Ohio, Keenan spent his high school and college years in Michigan.
He joined the United States Army after graduating high school.
After leaving the Army, Keenan attended Kendall College of Art and Design in Grand Rapids.
He relocated to Los Angeles, California in 1988 to pursue a career in interior design and set construction, and formed Tool with Adam Jones shortly thereafter.
In addition to his music career, Keenan owns Merkin Vineyards and Caduceus Cellars in Arizona, where he resides.
Since rising to fame, Keenan has been a recluse, although he does emerge to support charitable causes.