By Julie Simmons | Music Journalist Barret "Barry" Hansen (aka Dr. Demento) established his persona in 1970 at KPPC-FM in Los Angeles. As legend has it, a fellow KPPC deejay accused Hansen of being "demented" after playing the song "Transfusion" by Nervous Norvus. By 1974, The Dr. Demento Show went into syndication and remained that way until 2010 when the industry allowed him to digitally produce his show on his laptop and from the comfort of his home. Although Dr. Demento i