He briefly attended the University of Michigan, and eventually dropped out without a degree in 1979 to become a fringe part of the Detroit Punk scene in the band Boris Savage and the Primates.
In 1979 he started performing at the open mic nights at Mark Ridleys Comedy Castle in north suburban Detroit.
In 2000 he also produced and starred in a brief run on local Minneapolis television show: The Mudslingers Ball, with Lewis Black, Will Durst, Jeffrey Jena, and host Mike Lukas.
[1] He was interviewed and appeared briefly in the documentary Michael Moore Hates America (2004) [2] In late 2006, Slagle released his first CD, entitled Europa on Stand Up!
The CD is notable as a best of from Slagle's career and also features a cover by noted illustrator Jack Davis.