who is maynard james keenan
Maynard James Keenan. Maynard 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.