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Haruko Momoi
ACTOR

Haruko Momoi

Known for Steins;Gate · Paranoia Agent · Final Fantasy: Unlimited

a Japanese singer, songwriter and voice actress. She also produces an all-female pop group called Afilia Saga. She was born in Tokyo, Japan and is affectionately referred to as Halko by her fans, a nickname she gave herself which is inspired by HAL 9000, the computer in the film 2001: A Space Odyssey.

Snapshot 2026-10-16

Born
Dec 14, 1977
Birthplace
Tokyo, Japan
Known For
Acting

Biography

a Japanese singer, songwriter and voice actress. She also produces an all-female pop group called Afilia Saga. She was born in Tokyo, Japan and is affectionately referred to as Halko by her fans, a nickname she gave herself which is inspired by HAL 9000, the computer in the film 2001: A Space Odyssey.

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Known For

TVSteins;Gate
Steins;GateFaris Nyan-Nyan (voice) · 2011
★ 8.5
TVParanoia Agent
Paranoia AgentMaromi (voice) · 2004
★ 7.9
TVFinal Fantasy: Unlimited
Final Fantasy: Unlimited25 eps · 2001
★ 6.8
MOVIECamp Pikachu
Camp PikachuSohnano (voice) · 2002
★ 5.9
TVDa Capo
Da CapoUtamaru · 2003
★ 6.2
TVGravion
GravionTria · 2002
★ 6.2
TVHikonin Sentai Akibaranger
Hikonin Sentai AkibarangerYuru-Chara Jigen (voice) · 2012
★ 8.2
TVUFO Ultramaiden Valkyrie
UFO Ultramaiden ValkyrieMar (voice) · 2002
★ 6.0

Filmography

Movies

Camp PikachuSohnano (voice)
2002
Netrun-mon the MovieChiyu
2004
Paranoia Agent: Part 1マロミ
2004
Lovedol: Lovely Idol - Prologue
2006
Lovedol ～Lovely Idol～ First Live in Yokohama BLITZ
2007
Animelo Summer Live 2008 -Challenge- 8.31
2008
Animelo Summer Live 2009 RE:BRIDGE 8.22
2009
YurumatesYurume (voice)
2009
Animelo Summer Live 2010 -evolution- 8.29
2010
Yurumates 3D OVA
2012
Steins;Gate: The Movie - Load Region of Déjà VuNyan-Nyan Faris (voice)
2013
"PSO" Series 15th Anniversary Concert "Sympathy 2015" Live MemorialHerself
2016
LIVE SYMPATHY 2018 Phantasy Star Series 30th AnniversaryHerself
2018
NBCUniversal ANIME×MUSIC FESTIVAL～25th ANNIVERSARY～
2018
Steins;Gate 0: Valentine's of Crystal Polymorphism -Bittersweet Intermedio-Rumiho Akiha
2018
Paranoia Agent: Part 2マロミ
2021

Television

Final Fantasy: Unlimited25 eps
2001
The SoulTaker13 eps
2001
Ai Yori AoshiChika Minazuki (voice) · 36 eps
2002
GravionTria · 25 eps
2002
Nurse Witch Komugi-chan MagikarteKomugi · 5 eps
2002
UFO Ultramaiden ValkyrieMar (voice) · 32 eps
2002
UFO Ultramaiden ValkyrieKeiko (voice) · 32 eps
2002
Bottle FairyTama-chan (voice) · 13 eps
2003
Da CapoUtamaru · 91 eps
2003
Moekan The Animation3 eps
2003
MouseSamarsa Morishima (voice) · 12 eps
2003
PopotanMii (Voice) · 12 eps
2003
PopotanTheme Song Performance
2003
DearSTheme Song Performance
2004
Paranoia AgentMaromi (voice) · 13 eps
2004
Ragnarok The AnimationMaaya (voice) · 26 eps
2004
Shooting Starlets Musumet13 eps
2004
Magical Girl Tsukune-chanTsukune (voice) · 6 eps
2005
MagikanoMarin Nijihara · 13 eps
2006
My Bride is a Mermaid瀬戸 燦 / Sun Seto (voice) · 26 eps
2007
My Bride is a MermaidTheme Song Performance
2007
Prism ArkFilia · 12 eps
2007
Mission-ETheme Song Performance
2008
Tales of the AbyssAnise Tatlin (voice) · 26 eps
2008
Steins;GateFaris Nyan-Nyan (voice) · 24 eps
2011
Hikonin Sentai AkibarangerYuru-Chara Jigen (voice) · 1 eps
2012
Hikonin Sentai AkibarangerHerself · 1 eps
2012
Hikonin Sentai AkibarangerTheme Song Performance
2012
Yurumates3DeiAida Yurume · 26 eps
2012
Wonder MomoMomo / Original Wonder Momo (voice) · 3 eps
2014
Anti-Magic Academy: The 35th Test PlatoonLyricist
2015
Nurse Witch Komugi R12 eps
2016
Akiba's Trip The AnimationMomo Tsukumo (voice) · 13 eps
2017
Steins;Gate 0Akiha Rumiho, Faris Nyan-Nyan (voice) · 23 eps
2018
I'm Living with an Otaku NEET Kunoichi!?Lyricist
2025

Photos

Haruko Momoi photo
Haruko Momoi photo
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