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Har Mar Superstar

Sean Tillmann is an American singer-songwriter and actor. He is known in the United States' independent music community with music projects such as Calvin Krime and Sean Na Na, but is best known by his alter ego Har Mar Superstar. After playing in a number of garage bands during high school, Tillmann moved to Saint Paul, Minnesota, and joined three-piece noise band Calvin Krime as bassist and lead vocalist.

Known For: Acting

Birthday: 1978-02-06

Place of Birth: Marshall, Minnesota, USA

Also Known As: Sean Matthew Tillmann, Sean Tillmann