Established in 1987 by ex-{{Creator/Madhouse}} staff and stopping abruptly in 2002, Triangle Staff was a minor animation company.

Some more credits can be found on [[http://www.animenewsnetwork.com/encyclopedia/company.php?id=253 Anime News Network]].
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!! Credits include:

* ''Mother Goose Video Wordbook'' (known as ''Mother Goose Songs & Rhymes'' outside Japan) (OVA, the studio's very first animated project. Originally released between 1988 and 1991 in Japan, the United Kingdom, and America)
* ''Film/AChineseGhostStory'' (the animated feature, with Creator/WangFilmProductions)
* ''CB Chara Nagai Go World''
* ''Manga/{{Colorful}}'' (Torajiro Kishi's ''Colorful'', ''not'' the 2010 anime movie by Creator/{{Sunrise}})
* ''Manga/{{Devilman}}'' ([=OVAs=], with Creator/OhProduction)
* ''[[Anime/ExDriver éX-Driver]]'' (with Creator/{{Actas}}, episodes 1 & 2)
* ''Manga/HareluyaIIBoy''
* ''Anime/KnightHunters'' (''Verbrechen & Strafe'' OVA, first season of the TV series by Creator/StudioDEEN and Creator/MagicBus and the second season, ''Glühen'' was handled by Creator/{{ufotable}}, all distributed internationally by Creator/TMSEntertainment.)
* ''Anime/MacrossPlus''
* ''Anime/MagicUsersClub'' (both OVA and series, the latter with Creator/{{Madhouse}})
* ''Anime/NieaUnder7''
* ''Anime/SerialExperimentsLain'' (with Creator/{{AIC}})
* ''Anime/ShamanicPrincess'' (with Bandai Visual)
* ''Anime/SpacePirateMito'' (with Creator/{{Sunrise}})
* ''Anime/WXIIIPatlaborTheMovie3'' (the company was still producing this film at the time it went defunct. Production was later taken over by Madhouse, though Triangle Staff's involvement would be acknowledged in the film's end credits.)


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