Har Mar Superstar Musical artist

Sean Matthew Tillmann (born February 6, 1978), better known by his stage names of Har Mar Superstar and Sean Na Na, is an American singer.

Personal facts

Alias (AKA)	Har Mar Superstar Sean Na Na
Birth date	February 06, 1978
Birth place	Minnesota , Marshall Minnesota , United States

associated musical artist	Calvin Krime Adam Goren Sean Na Na
Background	Solo singer
instrument	Human voice
record label	Cult Records