 In the 1970s, on "Sesame Street", Villechaize performed Oscar the Grouch as a pair of legs peeping out from a trash can, for scenes which required the Grouch to be mobile.These appearances began in the second season and included the 1978 Hawaii episodes.Though popular with the public, Villechaize proved a difficult actor on "Fantasy Island", where he continually propositioned women and quarreled with the producers.