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 Hideyu...
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Urban Square: In Pursuit of Amber
As Superior Officer (voice)
King Fang
As Leader (voice)
Go! Anpanman: Ruby's Wish
As Jam-ojisan
Dragon Ball: Yo! Son Goku and His Friends Return!!
As Kame Sen'nin (voice)
Himitsu Sentai Gorenger: The Blue Fortress
As Sun Halo Mask (voice)
Hal's Flute
As Choko Pan (voice)
Hyakujuu Sentai Gaoranger Super Video: Showdown! Gaoranger vs. Gao Silver
As GaoGod (voice)
Go! Anpanman: Revive Banana Island!
As Uncle Jam
Go! Anpanman: The Shining Star's Tear
As Uncle Jam (voice)
Go! Anpanman: Fly! Fly! Chibigon
As Uncle Jam (voice)
Go! Anpanman: The Secret of Fairy Rin-Rin
As Uncle Jam (voice)
Soreike! Anpanman: Donburimantorio no Otsukai
Go! Anpanman: Fly! The Handkerchief of Hope
As Uncle Jam (voice)
Go! Anpanman: Tears of the Mermaid Princess
As Uncle Jam (voice)
The Tale of Osamu Tezuka: I'm Son-Goku
As Sa Gojo (voice)
Go! Anpanman: Twinkle! Princess Vanilla Of Ice Cream Land
As (voice)
Go! Anpanman: Rescue! Kokorin and the Star of Miracles
As (voice)
Hyakujuu Sentai Gaoranger VS Super Sentai
As Narrator (voice)
Pro Golfer Saru: Kouga Hikyou! Kage no Ninpou Golfer Sanjou!
As 福助
Nadia: The Secret of Blue Water - Nautilus Story I
As Jean's uncle (voice)
Cyborg 009
As Geronimo Junior / Cyborg 005 (voice)
Sherlock Hound: The Movie
As Todd (voice)
Go! Anpanman: Dadandan and the Twin Stars
As Jam Oji-san (voice)
Go! Anpanman: Nosshi the Dinosaur's Big Adventure
As Jam Oji-san
Go! Anpanman: Blacknose and the Magical Song
As Jam Oji-san (voice)
Anpanman to Hajimeyou! Rhythm De Dekirukana
As (voice)
Go! Anpanman: Franken-Robo-kun's Surprised Christmas
As Jam Oji-san (voice)
Go! Anpanman: Baikinman and the 3-"Bai" Punch
As Jam Oji-san
Go! Anpanman: Anpanman and his Strange Friend
As Jam Oji-san (voice)
Go! Anpanman: Baikinman VS Baikinman!?
As Jam Oji-san
Go! Anpanman: Kokin-chan and the Blue Tears
As Jam Oji-san
Go! Anpanman: The Pyramid of the Rainbow
As Jam Oji-san (voice)
Go! Anpanman: Baikinman's Counterattack
As Jam Oji-san (voice)
Touch: Miss Lonely Yesterday
As Toshio Asakura (voice)
Dengeki Sentai Changeman: The Movie
As Navigator Gator (voice)
Touch 2: The Farewell Gift
As Toshio Asakura (voice)
Go! Anpanman: The Best - Everybody likes Anpanman
Go! Anpanman: The Lyrical Magical Witch's School
As Jam-Ojisan
Go! Anpanman: Anpanman and His Pleasant Friends
As Jam Ojisan
Go! Anpanman: The Secret of Tsumiki Castle
As Jam Ojisan (voice)
Go! Anpanman: Dokin-chan's Doki Doki Calendar
As Jam Ojisan
Go! Anpanman: Horror Man and Horror Horako
As Jam-Ojisan
Dengeki Sentai Changeman: Shuttle Base! The Critical Moment!
As Gator (voice)
Cyborg 009 and the Monster Wars
As Geronimo Junior / Cyborg 005 (voice)
Future Boy Conan
As Gutch
Heart-Coloured Killer Ticket
As Misako's father (voice)
1000 Pine Groves
Meisou-Ou Border
As Hirokawa (voice)
Go! Anpanman: The Flying Picture Book and the Glass Shoes
As Uncle Jam (voice)
Spooky Kitaro: The Great Yokai War
As Torazo (voice)
Bremen 4: Angels in Hell
Go! Anpanman: Sushi-roll Maki-chan and Gold Kamameshidon
As 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
As 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
As Priest (voice)
Sore Ike! Anpanman: Kaiketsu Naganegiman to Doremi Hime
Sore Ike! Anpanman: Tsukiko to Shiratama - Tokimeki Dancing
As (voice)
Go! Anpanman: When the Flower of Courage opens
As Uncle Jam (voice)
Magical Girl Club Quartet: Alien X from A Zone
As 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
As Zuhl
Daddy Long Legs
As Griggs
Dragon Ball Z
As Master Roshi (voice)
Triton of the Sea
As Doriate
Future Boy Conan
As Gutch (voice)
Nadia: The Secret of Blue Water
As Jean's Uncle (voice)
Superbook
As Zenmai Jikake
Sherlock Hound
As Todd (voice)
Ranma ½
As Secondary chairman (voice)
Spaceship Sagittarius
As Habaro (voice)
Tokimeki Tonight
Maison Ikkoku
Do Your Best Genki
As Katsuzo Yamatani
Princess Sarah
As Peter's father
Magical Princess Minky Momo
Robby the Rascal
As Dr. Deko
Cyborg 009
As Geronimo Junior / Cyborg 005 (voice)
Mister Ajikko
As Mustaki
Tico of the Seven Seas
As James
Dragon Quest: The Adventure of Dai
As Temujin
Little Meg the Witch Girl
As Non's Papa (voice)
Witch Girl Tickle
As Mr. Takakura
Himitsu Sentai Gorenger
As Iron Claw Mask (voice)
Battle Fever J
As Left Hand Monster (voice)
Gosei Sentai Dairanger
As Haniwa Ventriloquist (voice)
Nangoku Shounen Papuwa-kun
As チャッピー
Wolf Boy Ken
As Bear (voice)
Dengeki Sentai Changeman
As Gaata (voice)
Misha the Bearcub
As Village Headman (voice)
The Little Judge from Hell
As Hebi-tsubo (voice)
Tenchi Muyo!
As Shouchou Anderson (voice)
What's Michael?
As Noboyuki
Smart-san
As 牛五郎
Kunimatsu-sama no Otoridai
As 豪田
The Song of Tentomushi
As ブタのヨイチ
Song of Baseball Enthusiasts
As 丘知将
Eagle Sam
As ボギー
Kojika Monogatari
As パック
Hyakujuu Sentai Gaoranger
As Gao God
Mami the Psychic
As 佐倉十朗
Tobidase! Machine Hiryuu
As オッカナビッチ
Dimensional Warrior Spielban
As Dreampacker (voice)
Tomorrow's Joe
As Tarou
Sazae-san
As Masuo (voice)
Mobile Suit Gundam 0080: War in the Pocket
As Dick Lunland
Nichijou: My Ordinary Life
As Narration (voice)
Gordian Warrior
As Kyutaro Otaki (voice)
Tekken Chinmi