John Michael "Ozzy" Osbourne (born 3 December 1948) is an English heavy metal vocalist and songwriter, whose musical career has spanned over 40 years. Osbourne rose to prominence as lead singer of the pioneering English band Black Sabbath, whose dark and hard sound helped spawn the heavy metal genre. Due to Sabbath's dark style, Osbourne became known as the "Prince of Darkness". Osbourne is also known as the "Godfather of Heavy Metal".

In the early 2000s, Osbourne's career expanded when he became a star in his own reality show The Osbournes, alongside wife/manager Sharon and two of their three children, Kelly and Jack. A documentary about his life and career, God Bless Ozzy Osbourne, premiered in April 2011 at the Tribeca Film Festival and was released on DVD in November 2011. Osbourne has achieved multi-platinum status as a solo artist and with Black Sabbath and has sold over 100 million albums worldwide.

John Michael "Ozzy" Osbourne was born in Aston, Birmingham, England, on 3 December 1948. His father Jack worked shifts as a toolmaker at GEC. His mother Lillian worked for the car components firm Lucas. John was the fourth of six children. Ozzy had two brothers (Paul and Tony) and three sisters (Jean, Iris and Gillian); they lived in a small two bedroom home at 14 Lodge Road in Aston. The nickname "Ozzy" was first used when he was in primary school. Although called "John" by his first wife Thelma, Osbourne states that it has been a long time since he's recognised himself when called by his formal name.

Joel Hoekstra is an American guitarist currently in the band Night Ranger . The son of classical musicians, he started out playing cello and piano at a young age, but it was hearing Angus Young that inspired him to start guitar . He was raised in Chicago he has lived in New York City for over 10 years. When not touring with Night Ranger, he performs as a guitarist in the Broadway musical, Rock of Ages. He also made a cameo appearance alongside Sebastain Bach, Nuno Bettencourt, Kevin Cronin and Debbie Gibson in the the big screen movie adaptation. Hoekstra also plays with Trans-Siberian Orchestra on their Winter tours. Joel has played on stage and in studio with Foreigner (band), Dee Snider, Jeff Scott Soto, Jim Peterik, The Turtles, Big Brother & the Holding Company and many more.