is an art director and background artist for many Madhouse Studio and Studio Ghibli anime films. Oga has worked with major directors Hayao Miyazaki, Isao Takahata, Yoshiaki Kawajiri, Osamu Dezaki. He also published two artbooks and directed a short animated film. Works (selection) Director , 2006 Art director The Fantastic Adventures of Unico - (ユニコ Unico), 1979 Tomorrow's Joe 2 - (あしたのジョー2 Ashita no Jō Tsū), 1980 Barefoot Gen - (はだしのゲン Hadashi no gen), 1983 Toki no Tabibito -Time Stranger- - (時空の旅人 Toki no Tabibito), 1986 Wicked City - (妖獣都市 Yōjū Toshi), 1987 My Neighbor Totoro - (となりのトトロ Tonari no Totoro), 1988 Girls in Summer Clothes - (夏服の少女たち Natsufuku no Shōjo-tachi), 1988 Only Yesterday - (おもひでぽろぽろ Omohide Poro Poro), 1991 Pom Poko - (平成狸合戦ぽんぽこ Heisei Tanuki Gassen Pon Poko), 1994 Princess Mononoke - (もののけ姫 Mononoke Hime), 1997 The Tale of Princess Kaguya - (かぐや姫の物語 Kaguya-hime no Monogatari), 2013 Assistant background art director Treasure Island - (宝島 Takarajima), 1978 Cobra: Space Adventure - (コブラ スペースアドベンチャー Kobura Supēsu Adobenchā), 1982 Background art Panda! Go, Panda! and the Rainy-Day Circus - (パンダコパンダ 雨降りサーカスの巻 Panda Kopanda: Amefuri Sākasu no Maki), 1973 Adventures of Ganba - (ガンバの冒険 Ganba no Bōken), 1975 Nobody's Boy: Remi - (家なき子 Ie Naki Ko), 1977 Makoto-chan - (まことちゃん Makoto Chan), 1980 Harmagedon - (幻魔大戦 Genma Taisen), 1983 Unico in the Island of Magic - (ユニコ 魔法の島へ Unico: Mahō no Shima e), 1983 Lensman - (SF 新世紀 レンズマン SF Shinseiki Lensman), 1984 The Dagger of Kamui - (カムイの剣 Kamui no Ken), 1985 Barefoot Gen 2 - (はだしのゲン2 Hadashi no Gen 2), 1986 Hoero! Bun Bun - (ほえろブンブン Hoero! Bun Bun), 1987 Bride of Deimos - (悪魔の花嫁 蘭の組曲 Akuma no Hanayome - Ran no Kumikyoku), 1988 Demon City Shinjuku - (魔界都市 新宿 Makai Toshi: Shinjuku), 1988 Goku: Midnight Eye - (Midnight Eye ゴクウ Midnight Eye Gokū), 1989 Kiki's Delivery Service - (魔女の宅急便 Majo no Takkyūbin), 1989 Urusei Yatsura: Always My Darling - (うる星やつら いつだってマイ・ダーリン Urusei Yatsura Itsudatte Mai Dārin), 1991 Porco Rosso - (紅の豚 Kurenai no Buta), 1992 Ninja Scroll - (獣兵衛忍風帖 Jūbē Ninpūchō), 1993 On Your Mark - (オン・ユア・マーク On Yua Māku), 1995 Whisper of the Heart - (耳をすませば Mimi o Sumaseba), 1995 Rurouni Kenshin: The Motion Picture - (るろうに剣心 -明治剣客浪漫譚- 維新志士への鎮魂歌 Rurōni Kenshin Meiji Kenkaku Rōmantan Ishin Shishi e no Requiem), 1997 Vampire Hunter D: Bloodlust - (バンパイアハンターD Banpaia hantâ D), 2000 Spirited Away - (千と千尋の神隠し Sen to Chihiro no