Raised Sean Tillman (of St. Paul bands Sean Na Na and Calvin Krime),
Har Mar Superstar was originally his own alter-ego, a fictional
"brother," Harold Martin Tillman. Only later did Sean take on Har Mar
Superstar as his own stage name.
In another incarnation was known as cult indie-rocker Sean Na Na in his
native St. Paul, Minnesota and was also part of the band Calvin Krime
in the late 90s.