Happy Birthday today (Feb. 17) to Billie Joe Armstrong. The frontman for Green Day is 44. Other rockers celebrating include drummer Taylor Hawkins of Foo Fighters (44), guitarist Rickey Medlocke of Lynyrd Skynyrd (66), and 311 guitarist Tim Mahoney (46).

Billie Joe Armstrong is the singer, primary songwriter, and guitarist for the band Green Day.  The band's breakthrough album was 1994's Dookie. The album was the band's major label debut released on Reprise Records and it sold over 10 million copies in the U.S. Green Day has been credited with bringing punk music into the mainstream in United States along with bands like Sublime, Bad Religion, The Offspring, and Rancid. They have sold over 75 million records worldwide making them one of the most successful bands of the 1990's and 2000's.

Green Day was inducted into the Rock and Roll Hall of Fame on April 18, 2015.

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Guitarist Tim Mahoney and Singer/Guitarist Nick Hexum of 311. Scott Gries/Getty Images