Denis RyanArtNo biography available.Known For6.3Dennis the Menace and Gnasher19967.2Watership Down1978Fan ClubNo Nerds have favorited Denis Ryan yet — be the first.All fan clubsFrom NerdspinFilmographyArt2Actor11996Dennis the Menace and GnasherTVBackground Designer • 26 episodes★ 6.31978Watership DownFilmBackground Designer★ 7.2
