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Har Mar Superstar

Most Popular
6, 1978
Marshall, MN
Birth Sign
6, 1978 (age 42)
Marshall, MN


Sean Matthew Tillmann is a singer known better by the stage names Har Mar Superstar and Sean Na Na. Since his debut in 2000, he has released half a dozen albums and has become known for his tongue-in-cheek hip hop style.

Before Fame

After hopping through a number of bands throughout high school, he began his musical career as a member of the three-piece noise band Calvin Krime. After the group disbanded in 1998, he then launched his solo career.


He has had small roles in a number of films and TV shows from Pitch Perfect to Starsky & Hutch.

Family Life

His mother and father were educators in Owatonna, Minnesota.

Associated With

A successful songwriter, he has penned singles for artists like Jennifer Lopez, Kelly Osbourne, and even the Cheetah Girls.