<P> David ( Gruber ) Allen ( born c. 1958 ) is an American television and film actor and comedian , who has been credited in many movies and television roles as Dave Gruber Allen and David Gruber Allen . Allen is known for his work on the 1990 TV series Higgins Boys and Gruber and playing guidance counselor Jeff Rosso on the Judd Apatow - produced comedy - drama Freaks and Geeks . He also played Mr. Kwest on Ned 's Declassified School Survival Guide and a town troubadour on Gilmore Girls . Allen had a minor role as an `` Electrocuted Ghost '' known as `` Sparky '' in the 2016 film Ghostbusters . </P>
<P> David ( Gruber ) Allen ( born c. 1958 ) is an American television and film actor and comedian , who has been credited in many movies and television roles as Dave Gruber Allen and David Gruber Allen . Allen is known for his work on the 1990 TV series Higgins Boys and Gruber and playing guidance counselor Jeff Rosso on the Judd Apatow - produced comedy - drama Freaks and Geeks . He also played Mr. Kwest on Ned 's Declassified School Survival Guide and a town troubadour on Gilmore Girls . Allen had a minor role as an `` Electrocuted Ghost '' known as `` Sparky '' in the 2016 film Ghostbusters . </P>
who plays the guidance counselor on freaks and geeks
who plays the guidance counselor on freaks and geeks
David ( Gruber ) Allen
David ( Gruber ) Allen