Zachary Phillip Wylde is an American guitarist, singer and songwriter. He is best known for his tenure as the lead guitarist for Ozzy Osbourne and as the founder, lead guitarist, and lead singer of the heavy metal band Black Label Society. His signature bulls-eye design appears on many of his guitars and is widely recognized. He was also the lead guitarist and vocalist of Pride & Glory, who released one self-titled album in 1994 before disbanding. As a solo artist, he released the albums Book of Shadows and Book of Shadows II.