Masaharu Maeda (前田 正治, Maeda Masaharu), known by the stage name Shigeru Chiba (千葉 繁, Chiba Shigeru), is a Japanese actor and voice actor. He has also worked as a sound effects director and music director. He is affiliated with the talent management firm 81 Produce. He is most known for the roles of the narrator of Fist of the North Star, Megane (Urusei Yatsura), Rei Ichidō (High School! Kimengumi), Kazuma Kuwabara (Yu Yu Hakusho), Pilaf (Dragon Ball), Raditz and Garlic Jr. (Dragon Ball Z), Buggy the Clown (One Piece) Kefka Palazzo (Dissidia: Final Fantasy) and Kōichi Todome (Kerberos saga).
| Movie | Demon Slayer: Kimetsu no Yaiba Infinity Castle | Jigoro Kuwajima (voice) | 2025-07-18 |
| Movie | Me & Roboco: The Movie | Authentic SF Action Roboco (voice) | 2025-04-18 |
| Movie | Detective Conan: Black Iron Submarine | Rum (voice) | 2023-04-14 |
| Movie | SPY x FAMILY CODE: White | God of Poop (voice) | 2023-12-22 |
| Movie | One Piece: Stampede | Buggy (voice) | 2019-01-03 |
| Movie | Yu Yu Hakusho - Two Shots / All or Nothing | Kazuma Kuwabara (voice) | 2018-10-26 |
| Movie | Dragon Ball Super: Broly | Raditz (voice) | 2018-12-14 |
| Movie | Overlord: The Undead King | Sebas Tian (voice) | 2017-02-25 |
| Movie | Overlord: The Dark Hero | Sebas Tian (voice) | 2017-03-11 |
| Series | March Comes In Like a Lion | Someji Kawamoto (voice) | 2016-10-08 |
| Movie | Ressha Sentai ToQger vs. Kyoryuger: The Movie | Kyoryuger Arsenal (voice) | 2015-01-17 |
| Movie | Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur War | Kyoryuger equipment (voice) | 2014-01-18 |
| Series | The Next Generation: Patlabor | Shigeo Shiba | 2014-03-08 |
| Movie | Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai | Kyoryuger Equipment Voice | 2014-03-29 |
| Movie | Zyuden Sentai Kyoryuger: 100 Years After | Kyoryuger Arsenal (voice) | 2014-06-20 |
| Movie | Doraemon: Nobita's Secret Gadget Museum | Doctor Peppeler (voice) | 2013-03-09 |
| Movie | Tokumei Sentai Go-Busters vs. Kaizoku Sentai Gokaiger: The Movie | Gaburivolver (voice) | 2013-01-19 |
| Series | Star Blazers: Space Battleship Yamato 2199 | Sakezou Sado (voice) | 2013-04-07 |
| Movie | Dragon Ball Z: Battle of Gods | Pilaf (voice) | 2013-03-30 |
| Movie | Kamen Rider × Super Sentai × Space Sheriff: Super Hero Wars Z | Kyoryuger Equipment Voice | 2013-04-27 |
| Movie | Lupin the Third: Princess of the Breeze | Mister G (voice) | 2013-11-15 |
| Movie | Zyuden Sentai Kyoryuger The Movie: The Gaburincho of Music! | Kyoryuger Arsenal (voice) | 2013-08-03 |
| Movie | Kaizoku Sentai Gokaiger vs. Space Sheriff Gavan: The Movie | Elder (voice) | 2012-01-21 |
| Series | JoJo's Bizarre Adventure | Yoshihiro Kira (voice) | 2012-10-06 |
| Movie | Detective Conan: The Eleventh Striker | Shinzo Yamamori (voice) | 2012-04-14 |
| Movie | Armored Trooper VOTOMS: Alone Again | Vanilla Vartla | 2011-01-08 |
| Movie | The Voice Makes a Miracle | Unknown | 2011-11-19 |
| Movie | One Piece: Strong World Episode 0 | Buggy (voice) | 2010-04-24 |
| Series | Princess Jellyfish | Saburōta Negishi (voice) | 2010-10-15 |
| Movie | Go! Anpanman: Dadandan and the Twin Stars | Dr. Hiyari (voice) | 2009-07-04 |
| Movie | The Rebirth of Buddha | Takeshi Komayama (voice) | 2009-10-17 |
| Movie | Ghost in the Shell 2.0 | Garbage Collector B (voice) | 2008-07-12 |
| Movie | Fist of the North Star: The Legend of Kenshiro | Zinnia (voice) | 2008-10-11 |
| Series | Casshern Sins | Tomb Guardian (voice) | 2008-10-01 |
| Series | The Law of Ueki | Genguro Ueki (voice) | 2005-04-04 |
| Movie | Zatch Bell! 101st Devil | Moppun (voice) | 2004-07-09 |
| Movie | One Piece: Take Aim! The Pirate Baseball King | Buggy (voice) | 2004-03-06 |
| Series | Monster | Milch (voice) | 2004-04-07 |
| Movie | One Piece: Dream Soccer King! | Buggy (voice) | 2002-03-02 |
| Movie | Touch 5: Cross Road | Pinch (voice) | 2001-02-09 |
| Movie | Metropolis | Lamp (voice) | 2001-05-26 |
| Movie | The Aurora | Jack Mollard (voice) | 2000-08-06 |
| Movie | Mon Colle Knight: Legendary Fire Dragon | Unknown | 2000-12-21 |
| Series | Harlock Saga - The Ring of the Nibelungs | Unknown | 1999-01-25 |
| Movie | Lupin the Third: The Columbus Files | Nazaroff (voice) | 1999-07-30 |
| Series | One Piece | Buggy (voice) | 1999-10-20 |
| Series | Cowboy Bebop | Video Maniac (voice) | 1998-04-03 |
| Series | Serial Experiments Lain | Office worker | 1998-07-06 |
| Movie | Very Private Lesson | Aya's Father | 1998-04-21 |
| Movie | Touch 4: Miss Lonely Yesterday | Shingo Uesugi (voice) | 1998-12-11 |
| Movie | Visitor | Unknown | 1998-11-07 |
| Movie | Ultraman Super Fighter Legend | Ace Killer S / Kanegon (voice) | 1996-09-25 |
| Series | Saber Marionette J | Narrator (voice) | 1996-10-01 |
| Movie | Apocalypse Zero | Chidokuro (voice) | 1996-10-22 |
| Movie | Ghost in the Shell | Garbage Collector B (voice) | 1995-11-18 |
| Movie | Yu Yu Hakusho: The Movie - Poltergeist Report | Kazuma Kuwabara (voice) | 1994-04-09 |
| Movie | Genocyber | Radonekku (voice) | 1994-03-02 |
| Series | Final Fantasy: Legend of the Crystals | Valkus (voice) | 1994-03-21 |
| Movie | Iria: Zeiram the Animation | Fujikuro (voice) | 1994-06-23 |
| Movie | Ghost Sweeper Mikami | Dr. Chaos (voice) | 1994-12-04 |
| Series | Ghost Sweeper GS Mikami | Dr. Chaos | 1993-04-11 |
| Movie | Yu Yu Hakusho: The Movie - The Golden Seal | Kazuma Kuwabara (voice) | 1993-07-10 |
| Movie | Battle Angel | Vector (voice) | 1993-06-21 |
| Movie | Coo of The Far Seas | Red cap (voice) | 1993-12-19 |
| Movie | Patlabor 2: The Movie | Shigeo Shiba (voice) | 1993-08-07 |
| Movie | Rokudenashi BLUES | Sorimachi (voice) | 1992-07-11 |
| Movie | Love Wedge 1 | Luke (voice) | 1992-08-31 |
| Movie | Talking Head | Rei Maruwa | 1992-10-10 |
| Series | Yu Yu Hakusho | Kazuma Kuwabara (voice) | 1992-10-10 |
| Movie | Dragon Ball Z: Lord Slug | Gyoshu (voice) | 1991-03-19 |
| Movie | Psychic Wars | Prof. Takase (voice) | 1991-02-21 |
| Movie | The Abashiri Family | Goemon Abashiri (voice) | 1991-05-21 |
| Series | Special Rescue Police Winspector | Ryoma Kagawa's father | 1990-02-04 |
| Movie | Racing Circuit Romance Twin | 1989-01-24 | |
| Movie | The Three Musketeers: Adventure of Aramis | Rochefort | 1989-03-11 |
| Series | Dragon Ball Z | Raditz (voice) | 1989-04-26 |
| Series | Patlabor: The TV Series | Chief Shigeo Shiba (voice) | 1989-10-11 |
| Movie | Dragon Ball Z: Dead Zone | Nicky (voice) | 1989-07-15 |
| Movie | Tokyo: The Last Megalopolis | (voice) | 1988-01-30 |
| Movie | My Neighbor Totoro | Additional Voices (voice) | 1988-04-16 |
| Movie | Maison Ikkoku: The Final Chapter | Yotsuya | 1988-11-06 |
| Movie | Dominion Tank Police | Megane (voice) | 1988-05-27 |
| Movie | Dragon Ball: Mystical Adventure | Pilaf (voice) | 1988-07-09 |
| Movie | Twilight Q | Radio voice (voice) | 1987-02-28 |
| Movie | The Red Spectacles | Koichi Todome | 1987-02-07 |
| Series | Bubblegum Crisis | Dr. Miriam Yoshida (voice) | 1987-02-25 |
| Movie | Bug-tte Honey: Megalom Shōjo Rondo 4622 | Skeleton | 1987-07-21 |
| Movie | Lily C.A.T. | Wat Tyler (voice) | 1987-09-01 |
| Movie | Good Morning Althea | Jennings (voice) | 1987-12-16 |
| Movie | Lupin the Third: The Fuma Conspiracy | Kazami (voice) | 1987-12-26 |
| Movie | Great Planet Evil-Destroyer Dangaio | Gil Berg | 1987-09-28 |
| Movie | Fist of the North Star | Kubaru (voice) | 1986-03-08 |
| Series | Dragon Ball | Emperor Pilaf (voice) | 1986-02-26 |
| Movie | Panzer World Galient | Uindo | 1986-01-21 |
| Series | Maison Ikkoku | Yotsuya / Soichiro(dog) | 1986-03-26 |
| Movie | Urusei Yatsura: Memorial Album | Megane (voice) | 1986-09-15 |
| Movie | Urban Square: In Pursuit of Amber | Kengorou Karate (voice) | 1986-11-28 |
| Series | Anmitsu Hime: From Amakara Castle | Ottotto / Tanesuke Kakino (voices) | 1986-10-05 |
| Movie | Armored Trooper VOTOMS: Big Battle | Vanilla Vartla | 1986-07-05 |
| Movie | Megazone 23 II | Lightning (voice) | 1986-05-30 |
| Movie | Armored Trooper VOTOMS: The Last Red Shoulder | Vanilla Vartla | 1985-08-21 |
| Movie | Urusei Yatsura: Ryoko's September Tea Party | Megane (voice) | 1985-09-24 |
| Series | Fist of the North Star | Unknown | 1984-10-11 |
| Series | Mrs. Pepper Pot | Apu Apu / Golonya (voice) | 1983-04-04 |
| Movie | Document: Fang of the Sun Dougram | George (voice) | 1983-07-09 |
| Movie | The Wonderful Adventures of Nils | (voice) | 1982-01-01 |
| Movie | Queen Millennia | Leopard Error Franken-bach (Voice) | 1982-03-13 |
| Movie | Dr. Slump: Hoyoyo! Space Adventure | Nikochan's Servant (voice) | 1982-07-10 |
| Movie | Miss Machiko | Kunio Yamagata (voice) | 1981-10-08 |
| Movie | Space Warriors Baldios | Miran (voice) | 1981-12-29 |
| Series | Nils Holgerson | Gusta (voice) | 1980-01-08 |
| Movie | Back to the Forest | スタニー | 1980-03-02 |
| Series | X-Bomber | Heracles (voice) | 1980-10-11 |
| Movie | Koichiro Uno's Wet and Open | Takemoto | 1979-01-16 |
| Movie | Bathhouse 911: Jellyfish Bliss | Young Man(若い男(童貞君)) | 1978-11-18 |
| Series | Future Boy Conan | Additional Voices (voice) | 1978-04-04 |
| Series | Tomorrow's Joe | Mamoru Aoyama (voice) | 1970-04-01 |
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