known professionally as is a Japanese voice actress affiliated with Sigma Seven.
She is best known for her roles as Mari Tateo in Shirobako, Ichimatsu Matsuno and Matsuyo Matsuno in Osomatsu-kun, Fumio Daimido in Food Wars! Shokugeki no Soma, Mrs. Honekawa in Doraemon, The Prophet in Terminator Zero, Mitsumi's Grandma in Skip and Loafer, Big Mama (Georgiana) in Gangsta, Leahlee Edaberry in Mobile Suit Gundam F91, Luri in The Jungle Book, Alice Holiday in Macross 7, Ayami Cherryblossom in Heavy Object, Tabitha Baskerville in Tales of Berseria, Nastasha Zabigov in Mobile Fighter G Gundam, and Capybara (Kazuyo) in Train to the End of the World.
Biography Born in Tokyo, Japan on February 21, 1952, Yokoo started working in anime and dubbing after graduating from the training school of Theater Echo.
Having been previously affiliated with Mausu Promotion and Production Baobab, Yokoo has been affiliated with Sigma Seven since 1997.
Yokoo studied the art of storytelling under Yae Kamata and from 2002 to 2011, served as a member of the "Goza" reading theater-group, led by actor Daisuke Maki. She teaches and instructs the next generation of voice actors and narrators at the Sigma Seven Voice Acting Academy, the Yomiuri Nippon Television Culture Center Omori, and the Shin-Urayasu Culture Center.
She has made reading novels aloud her life's work and continues to hold reading performances.
Personality Yokoo is known for having a "strangely emotionless" voice.
She is known for portraying sultry mother character roles and frequently serves as the hostess for events like fashion shows.
One of her most famous voice acting roles is voicing Suneo Honekawa's mom, Mrs. Honekawa, in the anime series Doraemon from 1991 to 2005.
Her personal hobbies are skiing and swimming.
Yokoo owns a pet Chihuahua named Anzu.
Filmography Television animation Astro Boy (1980): Osamu (Eps. 4, 17-19, and 44), Child (Ep. 22), Child A (Ep. 25), Lady (Ep. 26), Art Teacher (Ep. 30), Stewardess (Ep. 40), Boy (Ep. 45), Boy 2 (Ep. 49) The New Adventures of Gigantor (1980): Additional voice (Eps. 3, 22, and 27) Yattodetaman (1981): Jujakuputer Urusei Yatsura (1981): Additional voice Galaxy Cyclone Braiger (1981): Jacqueline Ninja Hattori-kun (1981): Additional voice Miss Machiko (1981): Additional voice Gyakuten! Ippatsuman (1982): Piiko, Gym, Haru's Mother (Ep. 18), Retty, Reception, Woman B, Orokabu Combat Mecha Xabungle (1982): Elchi Cargo The Call of the Wild (1982): Additional voice Space Adventure Cobra (1982): Receptionist (Ep. 1) Sarutobi the Wonder Ninja (1982): Maki Itadakiman (1983): Mother (Ep. 4), Orokabu Cat's Eye (1983): Reika Kuramoto (Ep. 25), Fake Cat's Eye Aura Battler Dunbine (1983): Musy Poe, Jeryl's Mother Mīmu Iro Iro Yume no Tabi (1983): Additional voice Glass Mask (1984): Emi Kanaya (Eps. 17 and 19) Panzer World Galient (1984): Chururu's Mother (Eps. 2–3, 9, 11, and 14), Lorna Doraemon (1984): Hoi's Mother (Ep. 776), Mrs. Honekawa (Second voice) Video Warrior Laserion (1984): Sofia Wing-Man (1984): The Shiva/Rei Mizuno Sherlock Hound (1984): Maria Blue Comet SPT Layzner (1985): Mill Julia Asuka Albatro Onegai! Samia-don (1985): Additional voice High School! Kimengumi (1985): Kayo Oba Animated Classics of Japanese Literature (1986): Sally Maison Ikkoku (1986): Additional voice Anmitsu Hime (1986): Monster Queen Bug tte Honey (1986): Patras Mami the Psychic (1987): Tsutomu's Mother, Yasuko (Ep. 41), Housewife (Ep. 55) Tsuide ni Tonchinkan (1987): Female Detective Transformers: The Headmasters (1987): Queen Mister Ajikko (1987): Noriko Ajiyoshi, Hot Wheels, Ryoko City Hunter (1987): Yōko Ulysses 31 (1988): Silka Osomatsu-kun (1988): Matsuyo Matsuno, Ichimatsu Matsuno, Grandmother, Shinjimattadar (Eps. 14, 44, and 85), Additional voice What's Michael? (1988): Additional voice Akuma-kun (1989): Isis The Adventures of Hutch the Honeybee (1989): Queen, Yashame, Omiki The New Adventures of Kimba the White Lion (1989): Mrs. Gina The Jungle Book (1989): Luri Ranma ½ (1989): Yohtaroh's Mother The Laughing Salesman (1989): Additional voice Pygmalio (1990): Narration, City Woman Oh! My Combu (1991): Cucumber Magical Princess Minky Momo: Hold on to Your Dreams (1991): Queen of Marinarsa Moero! Top Striker (1991): Hikari's Aunt Tekkaman Blade (1992): Hun Rii/Tekkaman Sword Dominion (1991): The Mayor Bakabon: Osomatsu's 3000 Leagues in Search of Curry (1991): Matsuyo Matsuno, Ichimatsu Matsuno Thumbelina: A Magical Story (1992): Zobiru Mobile Fighter G Gundam (1994): Nastasha Zabigov The Legend of Snow White (1994): Crystal Macross 7 (1994): Alice Holiday Magical Circle Guru Guru (1994): Narrator Wedding Peach (1995): Omanma Bit the Cupid (1995): Hera Bonobono (1995): Chipmunk's Mother After War Gundam X (1996): Shōra (Ep. 15) The Kindaichi Case Files (1997): Satomi Kaizu Cutie Honey Flash (1997): Blizzard Claw (Ep. 20), Dark Panther (Ep. 22) Detective Conan (1999): Yoriko Komatsu (Eps. 172–173), Benio Tsumagari (Eps. 385–387) Shūkan Storyland (2000): Mariko Matsumoto Heart-Pounding Legend Magical Circle Guru Guru (2000): Narrator Geisters: Fractions of the Earth (2001): Inamura Jūno Haré+Guu (2001): Bell Hajime no Ippo: The Fighting! (2001): Yamada's Mother Seven of Seven (2002): Home Economics Teacher The Twelve Kingdoms (2002): Mother of Essentials E's Otherwise (2003): Orphanage Headmistress (Ep. 13) Ninja Scroll (2003): Rengoku (Eps. 3 and 8) Saint Beast (2003): Mother Detective School Q (2003): Hanayo Ichinose (Ep. 12), Kōsei Asakura (Ep. 12) Battle Programmer Shirase (2003): Mitsuko Shirase (Eps. 10–12) Firestorm (2003): Ruth Miller Yami to Bōshi to Hon no Tabibito (2003): Wet Nurse R.O.D the TV (2003): Catherine Komuro Agatha Christie's Great Detectives Poirot and Marple (2004): Pollitt Speed Grapher (2005): Kaoru Koganei (Lady Diamond) Black Jack (2005): Nurse (Karte 33) Pokémon: Advanced (2005): Sakie (Ep. 148) Blassreiter (2008): Helga Hajme no Ippo: New Challenger (2009): Yamada's Mother Hello Anne: Before Green Gables (2009): Amy Carlisle Skip Beat! (2009): Hiroko Iizuka, Narration for "Dark Moon" Hipira (2009): Malena Phi Brain: Puzzle of God (2011): Laura Aikatsu! (2013): Ikuyo Inamura Danchi Tomoo (2013): Grandma Kuromajo-san ga Toru!! (2014): Madame Ten-Ten Dai-Shogun – Great Revolution (2014): Otomi Shirobako (2014): Mari Tateo (Eps. 6 and 13) Go! Princess Pretty Cure (2015): Sumire Zama Food Wars!: Shokugeki no Soma (2015): Fumio Daimidō Heavy Object (2015): Ayami Cherryblossom The Great Passage (2016): Chie Matsumoto Children of the Whales (2017): Rasha (Eps 6 and 10) Night Head 2041 (2021): Akiko Okuhara Skip and Loafer (2023): Grandma (Ep. 9) Train to the End of the World (2024): Capybara Terminator Zero (2024): The Prophet Miru: Paths to My Future (2025): Narration (Ep. 79) Inexpressive Kashiwada and Expressive Oota (2025): Narration
Theatrical animation Space Adventure Cobra (1982): Additional voice Xabungle Graffiti (1983): Elchi Cargoザブングル グラフィティ (in Japanese). allcinema.net. Retrieved May 22, 2026. Wicked City (1987): Kanako/Spider Woman妖獣都市 (in Japanese). Madhouse. Accessed June 13, 2016.妖獣都市 (in Japanese). allcinema.net. Retrieved May 22, 2026. Osomatsu-kun: Greetings from the Planet Watermelon! (1989): Ichimatsu Matsuno, Matsuyo Matsuno Little Nemo: Adventures in Slumberland (1989): Nemo's Mother The Five Star Stories (1989): Fatima Megera, Fatima Atropos Ai to Ken no Camelot: Mangaka Marina Time Slip Jiken (1990): Ron愛と剣のキャメロット まんが家マリナ タイムスリップ事件 (in Japanese). allcinema.net. Retrieved May 22, 2026. Eiji (1990): Kimie Akagi Chimpui Eri-sama Katsudou Daishashin (1990): Scripter Mobile Suit Gundam F91 (1991): Leahlee Edaberry機動戦士ガンダム F91 (in Japanese). allcinema.net. Retrieved May 22, 2026. Yūkan Club: From Hong Kong with Love (1991): Yuriko Kenbishi有閑倶楽部 香港より愛をこめて (in Japanese). allcinema.net. Retrieved May 22, 2026. Legend of the Galactic Heroes: Overture to a New War (1993): Magdalena von Westphale Mahōjin Guru Guru (1996): Narrator魔法陣グルグル [劇場版 (in Japanese). Nippon Animation. Accessed October 14, 2022.魔法陣グルグル (in Japanese). allcinema.net. Retrieved May 22, 2026. Geisters Fractions of the Earth (2002): Inamura Jūno劇場版 ガイスターズ 命の章 (in Japanese). allcinema.net. Retrieved May 22, 2026.劇場版 ガイスターズ 光の章 (in Japanese). allcinema.net. Retrieved May 22, 2026. A Tree of Palme (2002): Daruyama The Day When I Was Born (2002): Mrs. Honekawaぼくの生まれた日 (in Japanese). allcinema.net. Retrieved May 22, 2026. Doraemon: Nobita and the Windmasters (2003): Mrs. Honekawaドラえもん のび太とふしぎ風使い (in Japanese). Media Arts Database. Accessed May 16, 2017.ドラえもん のび太とふしぎ風使い (in Japanese). allcinema.net. Retrieved May 22, 2026. Shirobako: The Movie (2020): Mari Tateo“SHIROBAKO: The Movie” Program (Movic), p. 22.Kimura, Juri; Yoshimura, Haruka; Chisuga, Haruka; Takano, Asami; Ōwada, Hitomi (April 30, 2020). 劇場版公開中!!!!! 女子会トークが止まらない、『SHIROBAKO』メインキャスト座談会（前編） [The film is now in theaters! The girls' talk never stops at the Shirobako main cast roundtable (Part 1)] (Interview) (in Japanese). Da Vinci Anime. Archived from the original on January 8, 2023. Retrieved January 8, 2023.
Original video animation Outlanders (1986): Battia Braytin Lawアウトランダーズ (in Japanese). allcinema.net. Retrieved May 22, 2026. Blue Comet SPT Layzner (1986): Mill Julia Asuka Albarto蒼き流星ＳＰＴレイズナー ACT-2 ル・カイン1999 (in Japanese). allcinema.net. Retrieved May 22, 2026.蒼き流星ＳＰＴレイズナー ACT-3 刻印2000 (in Japanese). allcinema.net. Retrieved May 22, 2026. Panzer World Galient: Chapter of the Land (1986): Lorna (episode 1)機甲界ガリアン PARTI 大地の章 (in Japanese). allcinema.net. Retrieved May 22, 2026. New Cream Lemon Part 1: Tō Moriyama Guest Special (1987): Sonoko Irinoda Battle Royal High School (1987): Fairy Master (Cain) Digital Devil Story Megami Tensei (1987): Ohara Puttsun Make LOVE (1987): Ms. Akimoto Appleseed (1988): Legislator Woman Peacock King: Festival of the Ogres Revival (1988): Yami孔雀王 鬼還祭 (in Japanese). allcinema.net. Retrieved May 22, 2026. Shinshuu Sudama Hen (1988): Rurichō Dominion: Tank Police (1988): The Mayor The Sloth Was Watching (1988): Heikichi's Motherナマケモノが見てた (in Japanese). allcinema.net. Retrieved May 22, 2026. New Story of Aura Battler Dunbine (1988): Musy Poe Fairy King (1988): Melusine Legend of the Galactic Heroes (1988): Magdalena von Westphale銀河英雄伝説 (in Japanese). allcinema.net. Retrieved May 22, 2026. Aoki Honō (1989): Fumie Naitō Blue Sonnet (1989): Kyōko Sodeki紅い牙 ブルー・ソネット (in Japanese). allcinema.net. Retrieved May 22, 2026. Osomatsu-kun: Iyami Alone in the Wind (1990): Ichimatsu Matsuno, Matsuyo Matsuno Lemon Angel (1990): Takahashiレモンエンジェル (YJ版) (in Japanese). allcinema.net. Retrieved May 22, 2026. Mantaro the One-Knife Chef (1991): Akiyo Fūmi一本包丁満太郎 (in Japanese). allcinema.net. Retrieved May 22, 2026. Ippon Bocho Mantaro 2: Osaka Somen War (1991): Akiyo Fūmi一本包丁満太郎2 大阪そうめん戦争 (in Japanese). allcinema.net. Retrieved May 22, 2026. Kumo no Noru (1991): Hannya雲にのる (前後編) (in Japanese). allcinema.net. Retrieved May 22, 2026. Stardust Paradise (1991): Shizuka Yūki星くずパラダイス (in Japanese). allcinema.net. Retrieved May 22, 2026. Yūkan Club: Dog & Cat Complete HOW Match (1991): Yuriko Kenbishi有閑倶楽部 犬猫まるごとＨＯＷマッチ (in Japanese). allcinema.net. Retrieved May 22, 2026. Ys: Castle in the Heavens – Adol Christin's Adventure (1992): BanoaYｓ イース 天空の神殿 アドル＝クリスティンの冒険 (in Japanese). allcinema.net. Retrieved May 22, 2026. OZ (1992): 1021ＯＺ オズ (in Japanese). allcinema.net. Retrieved May 22, 2026. The Silver Man (1992): Shizuko銀の男 (in Japanese). allcinema.net. Retrieved May 22, 2026. Green Legend Ran (1992): Ianグリーンレジェンド乱 (in Japanese). allcinema.net. Retrieved May 22, 2026. The Light of the World: Saint Shinran (1992): Tamahi (episodes 1-3), Woman世界の光 親鸞聖人 (in Japanese). allcinema.net. Retrieved May 22, 2026. Dragon Slayer: The Legend of Heroes (1992): Feliciaドラゴンスレイヤー英雄伝説 王子の旅立ち (in Japanese). allcinema.net. Retrieved May 22, 2026. Yūkan Club 2: With Love from Hong Kong (1992): Yuriko Kenbishi K.O. Beast Century Warriors II (1993): Gaia