Ozzy Osbourne, seen here in 2007, was born John Michael Osbourne on Dec. 3, 1948. The nickname Ozzy was given to him in primary school and stuck.
After going through several names, Geezer Butler, Tony Iommi, Bill Ward and Ozzy Osbourne settled on Black Sabbath in 1969.
The band in its original lineup would go on to release eight albums and record such hits as "War Pigs," "Iron Man" and "Paranoid."
Osbourne on stage with Tony Iommi during a 1973 concert in Australia.
The cover of "Black Sabbath Vol. 4," released in 1974, features a monochrome photograph of Ozzy Osbourne with hands raised, taken during a Black Sabbath concert.
Ozzy (far right) and the rest of Black Sabbath were featured on the cover of 1975's "Sabotage."
Ozzy Osbourne, Tony Iommi and Geezer Butler perform during a 1977 concert at Madison Square Garden in New York City.
"Never Say Die!" was Ozzy's last studio album with Black Sabbath, released in September 1978.
"Blizzard of Ozz," Osbourne's solo debut, was released on Sept. 20, 1980.
Osbourne with Randy Rhoads, who played guitar on 1980's "Blizzard of Ozz" and 1981's "Diary of a Madman." Rhoads died at age 25 in a plane crash on March 19, 1982.
Ozzy's follow up record was "Diary of a Madman," released on Nov. 7, 1981.
A promotional photo of Ozzy Osbourne taken in 1982, around the time of his "Speak of the Devil" album.
Osbourne was arrested May 1984 in Memphis, Tenn., for public intoxication.
Osbourne rejoined Black Sabbath's for the 1985 star-studded benefit concert Live Aid.
"No Rest for the Wicked" was Osbourne's fifth studio album, released on Oct. 22, 1988.
"No More Tears" was released in 1991 and became one of Osbourne's two best-selling albums in North America, along with his debut "Blizzard of Ozz," having been certified four times platinum by the RIAA and double platinum by CRIA. To date, sales stand at over 5 million copies worldwide.
Ozzy Osbourne in a promotional photo from 1996.
Osbourne poses for photographers with his new Ozzy action figure at the Toy Fair in New York on Feb. 8, 1999.
Osbourne, flanked by Marilyn Manson and Robbie Williams, touches his star after he was honored with the 2,195th star on the Hollywood Walk of Fame in Los Angeles on April 12, 2002.
Osburne poses with a fan at the annual White House Correspondents Dinner in Washington, D.C., on May 4, 2002.
Osbourne and Kermit the Frog pose for photographs after the Golden Jubilee Pop Concert at Buckingham Palace in London on June 3, 2002.
Kelly Osborne introduces her father on stage and wishes him a happy Father's Day at Wango Tango in Pasadena, Calif., on June 15, 2002.
Ozzy poses with his family, son Jack, daughter Kelly and wife Sharon, before rehearsing for the American Music Awards on Jan. 11, 2003. The family became famous thanks to their reality show "The Osbournes," which ran for four seasons between 2002 and 2005.
Osbourne poses for a picture with Ferrari's sporting director Jean Todt prior to the start of the Canadian Grand Prix in Montreal on June 15, 2003.
Osbourne smiles during the launch of his new box set, "Prince of Darkness," in New York City on March 22, 2005.
Ozzy Osbourne and guitarist Zakk Wylde perform before the start of the New England Patriots home opener game against the Oakland Raiders in Foxboro, Mass., on Sept. 8, 2005.
Ozzy poses backstage with his fellow Black Sabbath bandmates Bill Ward, Tony Iommi and Geezer Butler at the Rock and Roll Hall of Fame induction ceremony at the Waldorf Astoria Hotel in New York City on March 13, 2006.
Osbourne meets Prince Charles at a May 18, 2006, reception in London for people lending their support to The Prince's Trust 30th Birthday concert. Standing between them is Chico Slimani, a finalist on the British reality competition "X Factor."
Osbourne shows his Scream Rock Immortal Award during the taping of Spike TV's Scream Awards 2006 at the Pantages Theater in Hollywood, Calif., on Oct. 7, 2006.
Osbourne and his wife, Sharon Osbourne, smile as they arrive at the "An Enduring Vision" benefit for the Elton John AIDS foundation in New York City on Sept. 25, 2007.
Osbourne poses for photographers during the launch of his new book "I Am Ozzy" at a music store in central London on Oct. 2, 2009.
Lars Ulrich (center) and Kirk Hammett (right) of the band Metallica smile after performing with Ozzy Osbourne during the second of two 25th Anniversary Rock & Roll Hall of Fame concerts in New York City on Oct. 30, 2009.
Rob Halford of Judas Priest and Nikki Sixx of Motley Crue join Osbourne at an April 30, 2010, news conference in Los Angeles announcing the lineup for their OZZFest concert tour.
Osbourne being interviewed later during the April 30, 2010, OZZFest news conference.
Osbourne's most recent solo release was 2010's "Scream."
Osbourne and Yusuf Islam (formerly known as Cat Stevens) wave onstage during the "Rally to Restore Sanity and/or Fear" on the Washington Mall on Oct. 30, 2010.
Ozzy Osbourne's Best Buy commercial alongside Justin Bieber was one of the hits of Super Bowl XLV in February 2011.
Osbourne performs during a concert in Brasilia, Brazil, on April 5, 2011.
Osbourne joins his fellow original Black Sabbath members at the Whiskey A Go Go in Los Angeles on Nov. 11, 2011, to announce the reunion of the group. The group originally planned to record their first new album in 33 years and tour in 2012, but drummer Bill Ward (far left) dropped out of the reunion over contract issues. Instead, the band toured as "Ozzy and Friends" and began work on a new album late in the summer of 2012. That album, "13," was released in June 2013.
Osbourne and his wife pose at the premiere of "Total Recall" at the Grauman's Chinese Theatre in Hollywood, Calif., on Aug. 1, 2012.
Osbourne performs with guitarist Slash at the 10th Annual MusiCares MAP Fund Benefit concert at Club Nokia in Los Angeles on May 12, 2014.
Osbourne poses with his Global Icon award during the 2014 MTV Europe Music Awards at the SSE Hydro Arena in Glasgow, Scotland, on Nov. 9, 2014.