Harvey Lawrence Pekar ( ; October 8 , 1939 -- July 12 , 2010 ) was an American underground comic book writer , music critic , and media personality , best known for his autobiographical `` American Splendor '' comic series .
Harvey Lawrence Pekar ( ; October 8 , 1939 -- July 12 , 2010 ) was an American comic book writer , music critic and media personality . He is best known for his autobiographical `` American Splendor '' comic series .