is a Japanese voice actor. He voiced the roles of Masuo Fuguta in Sazae-san and Jam Ojisan in Soreike! Anpanman. He also voiced Kame-Sennin during the last episodes of Dragon Ball Z and all of Dragon Ball GT, following Kōhei Miyauchi's death. He works for the Tokyo Actor's Consumer's Cooperative Society. On August 5, 2019, it was announced that Masuoka has retired and that his roles in Sazae-san and Soreike! Anpanman will be taken over by Hideyuki Tanaka and Kōichi Yamadera.
Urban Square: In Pursuit of Amber
(Superior Officer (voice))
King Fang
(Leader (voice))
Go! Anpanman: Ruby's Wish
(Jam-ojisan)
Dragon Ball: Yo! Son Goku and His Friends Return!!
(Kame Sen'nin (voice))
Himitsu Sentai Gorenger: The Blue Fortress
(Sun Halo Mask (voice))
Hal's Flute
(Choko Pan (voice))
Hyakujuu Sentai Gaoranger Super Video: Showdown! Gaoranger vs. Gao Silver
(GaoGod (voice))
Go! Anpanman: Revive Banana Island!
(Uncle Jam)
Go! Anpanman: The Shining Star's Tear
(Uncle Jam (voice))
Go! Anpanman: Fly! Fly! Chibigon
(Uncle Jam (voice))
Go! Anpanman: The Secret of Fairy Rin-Rin
(Uncle Jam (voice))
Soreike! Anpanman: Donburimantorio no Otsukai
Go! Anpanman: Fly! The Handkerchief of Hope
(Uncle Jam (voice))
Go! Anpanman: Tears of the Mermaid Princess
(Uncle Jam (voice))
The Tale of Osamu Tezuka: I'm Son-Goku
(Sa Gojo (voice))
Go! Anpanman: Twinkle! Princess Vanilla Of Ice Cream Land
((voice))
Go! Anpanman: Rescue! Kokorin and the Star of Miracles
((voice))
Hyakujuu Sentai Gaoranger VS Super Sentai
(Narrator (voice))
Pro Golfer Saru: Kouga Hikyou! Kage no Ninpou Golfer Sanjou!
(福助)
Nadia: The Secret of Blue Water - Nautilus Story I
(Jean's uncle (voice))
Cyborg 009
(Geronimo Junior / Cyborg 005 (voice))
Sherlock Hound: The Movie
(Todd (voice))
Go! Anpanman: Nosshi the Dinosaur's Big Adventure
(Jam Oji-san)
Go! Anpanman: Dadandan and the Twin Stars
(Jam Oji-san (voice))
Go! Anpanman: Blacknose and the Magical Song
(Jam Oji-san (voice))
Anpanman to Hajimeyou! Rhythm De Dekirukana
((voice))
Go! Anpanman: Franken-Robo-kun's Surprised Christmas
(Jam Oji-san (voice))
Go! Anpanman: Anpanman and his Strange Friend
(Jam Oji-san (voice))
Go! Anpanman: Baikinman and the 3-"Bai" Punch
(Jam Oji-san)
Go! Anpanman: The Pyramid of the Rainbow
(Jam Oji-san (voice))
Go! Anpanman: Kokin-chan and the Blue Tears
(Jam Oji-san)
Go! Anpanman: Baikinman VS Baikinman!?
(Jam Oji-san)
Go! Anpanman: Baikinman's Counterattack
(Jam Oji-san (voice))
Touch: Miss Lonely Yesterday
(Toshio Asakura (voice))
Dengeki Sentai Changeman: The Movie
(Navigator Gator (voice))
Touch 2: The Farewell Gift
(Toshio Asakura (voice))
Go! Anpanman: The Best - Everybody likes Anpanman
Go! Anpanman: The Lyrical Magical Witch's School
(Jam-Ojisan)
Go! Anpanman: Anpanman and His Pleasant Friends
(Jam Ojisan)
Go! Anpanman: Dokin-chan's Doki Doki Calendar
(Jam Ojisan)
Go! Anpanman: The Secret of Tsumiki Castle
(Jam Ojisan (voice))
Go! Anpanman: Horror Man and Horror Horako
(Jam-Ojisan)
Dengeki Sentai Changeman: Shuttle Base! The Critical Moment!
(Gator (voice))
Cyborg 009 and the Monster Wars
(Geronimo Junior / Cyborg 005 (voice))
Future Boy Conan
(Gutch)
Heart-Coloured Killer Ticket
(Misako's father (voice))
1000 Pine Groves
Meisou-Ou Border
(Hirokawa (voice))
Go! Anpanman: The Flying Picture Book and the Glass Shoes
(Uncle Jam (voice))
Spooky Kitaro: The Great Yokai War
(Torazo (voice))
Bremen 4: Angels in Hell
Go! Anpanman: Sushi-roll Maki-chan and Gold Kamameshidon
(Oji-san (voice))
アンパンマンとはじめよう!お歌と手あそび編 いっしょにてあそび
Go! Anpanman: Go! The Exciting Anpanman Grand Prix
(Jam Ojisan (voice))
Flying Phantom Ship
それいけ!アンパンマン ぼくらはヒーロー
Sunlight All Around! Ka - su - mi: You Were in My Dreams
(Priest (voice))
Sore Ike! Anpanman: Kaiketsu Naganegiman to Doremi Hime
Sore Ike! Anpanman: Tsukiko to Shiratama - Tokimeki Dancing
((voice))
Go! Anpanman: When the Flower of Courage opens
(Uncle Jam (voice))
Magical Girl Club Quartet: Alien X from A Zone
(Secretary (voice))
それいけ!アンパンマン うたっててあそび アンパンマンともりのたから
Kuniko Mukoda's Carp
Voltes V
(Zuhl)
Voltes V
(General Oka)
Daddy Long Legs
(Griggs)
Dragon Ball Z
(Master Roshi (voice))
Triton of the Sea
(Doriate)
Future Boy Conan
(Gutch (voice))
Nadia: The Secret of Blue Water
(Jean's Uncle (voice))
Superbook
(Zenmai Jikake)
Sherlock Hound
(Todd (voice))
Ranma ½
(Secondary chairman (voice))
Spaceship Sagittarius
(Habaro (voice))
Tokimeki Tonight
Maison Ikkoku
Do Your Best Genki
(Katsuzo Yamatani)
Do Your Best Genki
(Shozo Tanuma)
Princess Sarah
(Peter's father)
Magical Princess Minky Momo
Robby the Rascal
(Dr. Deko)
Spaceship Sagittarius
(Chief (voice))
Cyborg 009
(Geronimo Junior / Cyborg 005 (voice))
Mister Ajikko
(Mustaki)
Tico of the Seven Seas
(James)
Dragon Quest: The Adventure of Dai
(Temujin)
Little Meg the Witch Girl
(Non's Papa (voice))
Witch Girl Tickle
(Mr. Takakura)
Himitsu Sentai Gorenger
(Iron Claw Mask (voice))
Himitsu Sentai Gorenger
(Large Hatchet Mask (voice))
Himitsu Sentai Gorenger
(Telephone Mask (voice))
Himitsu Sentai Gorenger
(Shellfish Mask (voice))
Himitsu Sentai Gorenger
(Can Opener Mask (voice))
Himitsu Sentai Gorenger
(Piano Mask (voice))
Battle Fever J
(Left Hand Monster (voice))
Gosei Sentai Dairanger
(Haniwa Ventriloquist (voice))
Nangoku Shounen Papuwa-kun
(チャッピー)
Wolf Boy Ken
(Bear (voice))
Dengeki Sentai Changeman
(Gaata (voice))
Misha the Bearcub
(Village Headman (voice))
The Little Judge from Hell
(Hebi-tsubo (voice))
The Little Judge from Hell
(Ryuugyo (voice))
The Little Judge from Hell
(Yuki-Nyudou (voice))
Tenchi Muyo!
(Shouchou Anderson (voice))
What's Michael?
(Noboyuki)
Smart-san
(牛五郎)
Kunimatsu-sama no Otoridai
(豪田)
The Song of Tentomushi
(ブタのヨイチ)
Song of Baseball Enthusiasts
(丘知将)
Eagle Sam
(ボギー)
Kojika Monogatari
(パック)
Hyakujuu Sentai Gaoranger
(Gao God)
Mami the Psychic
(佐倉十朗)
Himitsu Sentai Gorenger
(Clock Mask (voice))
Tobidase! Machine Hiryuu
(オッカナビッチ)
Dimensional Warrior Spielban
(Dreampacker (voice))
Tomorrow's Joe
(Tarou)
Sazae-san
(Masuo (voice))
Mobile Suit Gundam 0080: War in the Pocket
(Dick Lunland)
Nichijou: My Ordinary Life
(Narration (voice))
Gordian Warrior
(Kyutaro Otaki (voice))
Tekken Chinmi