The Slayer guitarist and founding member passed away at a hospital in California after suffering liver failure at the age of 49, and his musical peers have taken to Twitter.com to pay their respects.
Motley Crue bassist Sixx writes in a post, "My condolences to his family, the band and all his friends and fans", while Wentz adds, "Rest in peace Jeff Hanneman. (1991 Slayer album) Decade of Aggression is the first cd I ever bought with my own money. Sad day."
Blink-182 star Travis Barker mourns, "The world lost a legend today", MCKagan laments, "I'm so very soory (sic) for your loss Hanneman family" and singer/songwriter Andrew Wk observes, "Jeff Hanneman will always be a metal god. A true master, he gave energy and excitement to millions, and will continue to."
A post on Nickelback's Twitter page reads, "Jeff Hanneman was an amazing guitar player - all 4 of us grew up listening to Slayer. He will be greatly missed by all."
Elijah Wood and Zakk Wylde also posted their condolences on the site.