Smash Mouth's former frontman Steve Harwell has died. He was 56 years old.

Harwell passed away Monday morning from liver failure, his manager Robert Hayes confirmed.

"Steve Harwell was a true American original," Hayes said in a statement. "A larger than life character who shot up into the sky like a Roman candle. Steve should be remembered for his unwavering focus and impassioned determination to reach the heights of pop stardom. And the fact that he achieved this near-impossible goal with very limited musical experience makes his accomplishments all the more remarkable. His only tools were his irrepressible charm and charisma, his fearlessly reckless ambition, and his king-size cajones. Steve lived a 100% full-throttle life, burning brightly across the universe before burning out. Rest in peace knowing you aimed for the stars, and magically hit your target. He will be greatly missed by those who knew and loved him."

Harwell was diagnosed with cardiomyopathy in 2013, which led to various medical issues, including heart failure and acute Wernicke Encephalopathy. In 2016, Harwell collapsed during a performance and was taken to the hospital. The following year, Smash Mouth postponed several performances as Harwell underwent treatment for heart problems. Then, in 2021, Harwell retired from performing altogether.

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