Happy Birthday today (Oct. 2) to Slipknot guitarist Jim Root aka #4. He's 45. Other rockers celebrating include former Sublime drummer Bud Gaugh (49) and Police frontman Sting (65).

Jim Root is the rhythm/lead guitarist for Slipknot and the former guitarist for Stone Sour. He joined Slipknot in 1999 as replacement for original guitarist Josh Brainard. Slipknot was formed out of Des Moines, Iowa in 1995 by Shawn Crahan and Paul Gray. The band went through several lineup changes and eventually settled with nine members that performed together for over a decade. Members included Corey Taylor, Shawn Crahan, Paul Gray, Mick Thomson, Jim Root, Craig Jones, Sid Wilson, Chris Fehn, and Joey Jordison. Paul Gray died in 2010 and Joey Jordison was fired from the band in Dec. 2015. Percussionist Shawn Crahan remains the only founding member in the current lineup.

For more on Slipknot, check out the band's official website here.

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Christopher Polk/Getty Images
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Sting
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