Maynard James Keenan has no involvement in the food industry.
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 . Keenan is also the lead singer of A Perfect Circle . Among other business ventures , he is a partner in the Los Angeles restaurant Cobras & Matadors , and also owns an organic produce market in Cornville , Arizona , which features a food court and a tasting room for his wines .