Cosmic Universal Fashion is the fifteenth studio album by Sammy Hagar, released on November 18, 2008 by Loud & Proud and Roadrunner Records. Shortly after its release, Hagar formed the supergroup Chickenfoot with his former Van Halen bandmate Michael Anthony.

Matt Sorum - drums, percussion on track 4
Deen Castronovo - drums on tracks 2, 3
David Lauser - drums on tracks 5, 6, 7, 8, 9, 10
Michael Anthony - bass guitar, vocals on tracks 2, 3, 4, 5, 10
Mona Gnader - bass guitar, vocals on tracks 5, 6, 7, 8, 9, 10
Sammy Hagar - lead vocals, guitar
Billy Duffy - guitars on track 4
Neal Schon - guitars on tracks 2, 3
Vic Johnson - guitar, vocals on tracks 5, 6, 7, 8, 9, 10
Billy Gibbons - vocals on track 6
Bootsy Collins - backing vocals on track 8