(TMZ) - Devo Guitarist Bob Casale -- known for the hit 1980 song "Whip It" -- has died, TMZ has learned.
Bob's brother Gerald -- also a founding member of the band -- tells TMZ, Bob passed away suddenly on Monday from health complications that led to heart failure.
Gerald tells TMZ, "As an original member of Devo, Bob Casale was there in the trenches with me from the beginning. He was my level-headed brother, a solid performer, and talented audio engineer, always giving more than he got."
Bob was 61.
Devo was formed in 1972 and hit the Billboard charts in 1980 with "Whip It" ... one of the first music videos to make a huge splash on MTV back in the day.
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