High Quality Content by WIKIPEDIA articles! Maynard James Keenan (born James Herbert Keenan on April 17, 1964) is an American rock singer, songwriter, musician, record producer, winemaker, and actor. Originally from Ohio, Keenan spent his high school and college years in Michigan. After serving in the 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. He formed the band Tool with Adam Jones shortly thereafter.