Aside from his stage name, heavy metal icon Ozzy Osbourne was also known as the music world's "Prince of Darkness." Here's how he got the nickname.

Ozzy Osbourne, who died July 22 at the age of 76, was known as the singer of influential heavy metal band Black Sabbath and for his outrageous solo career that earned him the title the Prince of Darkness. Yet Ozzy also had a softer side. He was a huge fan of the Beatles.