The two-time Emmy nominee and improv veteran also played teacher Charlie Moore on 'Head of the Class.' Howard Hesseman, who made a career out of portraying off-the-wall characters, none more popular than the disc jockey Johnny Fever on the sitcom WKRP in Cincinnati, has died. He was 81. Hesseman died Saturday in Los Angeles of complications from colon surgery he had last summer, his rep Robbie Kass told The Hollywood Reporter. A member of the San Francisco improv group The Committee and a real-life DJ back in the 1960s, Hesseman also was known for his stint as out-of-work actor turned...