Manic, frizzy-haired Canadian comic character player who first proved himself adept as a writer, producer, director and performer of TV comedy, then went on to establish himself as one of the most reliable comedic supporting players in film. Levy first gained attention in the 1970s as a writer-performer on "Second City TV" (Syndicated, NBC, Cinemax, 1977-84). His many characters on "SCTV" tended to be sharp-edged, grating or grotesque. His creations included inept newscaster Earl Camembert, the hunchbacked assistant to John Candy's Dr. Tongue, and obnoxiously phony comic Bobby Bittman. Levy's