Jonathan CallanWritingNo biography available.Known For7.2Justice League Action20166.0Slugterra: Into The Shadows2016Fan ClubNo Nerds have favorited Jonathan Callan yet — be the first.All fan clubsFrom NerdspinFilmographyWriting32016Justice League ActionTVWriter • 3 episodes★ 7.22016Slugterra: Into The ShadowsFilmWriter★ 6.02010Young JusticeTVWriter • 1 episodes★ 8.4