Power, the chaotic and bloodthirsty Blood Fiend from Chainsaw Man, is voiced by Fairouz Ai in the original Japanese version and Sarah Wiedenheft in the English dub. Both actresses earned widespread praise for capturing Power’s wild personality, comedic arrogance, emotional vulnerability, and explosive energy throughout the anime adaptation. (behindthevoiceactors.com)
Fairouz Ai – Japanese Voice of Power
Date of Birth
July 6, 1993
About Fairouz
Fairouz Ai is a Japanese voice actress known for high-energy performances, powerful vocal delivery, and charismatic character portrayals. Her role as Power in Chainsaw Man became one of her most acclaimed performances, with fans praising how perfectly she captured the character’s chaotic personality and unpredictable emotional swings.
Fairouz gives Power an aggressively expressive vocal style that shifts rapidly between comedy, screaming panic, smug confidence, and genuine emotional sincerity. Her performance helped make Power one of the anime’s standout characters, especially during scenes balancing absurd humor with surprisingly emotional character development.
Before Chainsaw Man, Fairouz Ai had already gained major recognition for leading roles in action and comedy anime, quickly becoming one of the most prominent younger voice actresses in Japan.
Hometown
Tokyo, Japan
Career Highlights
Some of Fairouz Ai’s best-known anime roles include:
- Power — Chainsaw Man
- Jolyne Cujoh — JoJo’s Bizarre Adventure: Stone Ocean
- Hibiki Sakura — How Heavy Are the Dumbbells You Lift?
- Delta — The Eminence in Shadow
- Manatsu Natsuumi / Cure Summer — Tropical-Rouge! Precure
- Kikoru Shinomiya — Kaiju No. 8
- Rika Hoshizaki — Combatants Will Be Dispatched!
- Nao Hachiouji — Don’t Toy with Me, Miss Nagatoro
She is especially recognized for energetic heroines and larger-than-life comedic performances.
Full Current Filmography
The following list reflects documented anime and game credits from publicly available sources and may not be exhaustive.
Television Anime
- Chainsaw Man — Power
- JoJo’s Bizarre Adventure: Stone Ocean — Jolyne Cujoh
- How Heavy Are the Dumbbells You Lift? — Hibiki Sakura
- The Eminence in Shadow — Delta
- Kaiju No. 8 — Kikoru Shinomiya
- Tropical-Rouge! Precure — Manatsu Natsuumi / Cure Summer
- Don’t Toy with Me, Miss Nagatoro — Nao Hachiouji
- Combatants Will Be Dispatched! — Rika Hoshizaki
- Shangri-La Frontier — Psyger-0
- Mushoku Tensei — supporting roles
- Spy × Family — supporting roles
Anime Films
- Chainsaw Man – The Movie: Reze Arc — Power (officially announced)
- Pretty Cure crossover films — Cure Summer
- JoJo’s Bizarre Adventure related projects — Jolyne Cujoh
Video Games
- Genshin Impact — additional voices
- Granblue Fantasy — character roles
- Honkai: Star Rail — supporting roles
- Blue Archive — supporting roles
Critical Reception
Fairouz Ai’s performance as Power received major acclaim from critics and fans for perfectly matching the character’s manic personality and emotional unpredictability. Her loud comedic delivery, exaggerated reactions, and emotional breakdown scenes quickly became some of the anime’s most memorable moments.
Many viewers also praised her chemistry with Kikunosuke Toya’s Denji and Shogo Sakata’s Aki, which helped establish the strange but heartfelt dynamic at the center of Chainsaw Man.
Our Sources
Behind The Voice Actors – Power (Chainsaw Man)
(https://www.behindthevoiceactors.com/tv-shows/Chainsaw-Man/Power/)
Fairouz Ai – Wikipedia
(https://en.wikipedia.org/wiki/Fairouz_Ai)
IMDb – Chainsaw Man Full Cast & Crew
(https://www.imdb.com/title/tt13616990/fullcredits/)
Anime News Network Encyclopedia – Fairouz Ai
(https://www.animenewsnetwork.com/encyclopedia/people.php?id=165900)
Social Media
Official Agency Profile: https://www.raccoon-dog.co.jp/talent/r01-fairouz.html
X (Twitter): https://x.com/fairouzzzzzz
Sarah Wiedenheft – English Voice of Power
Date of Birth
July 15, 1993
About Sarah
Sarah Wiedenheft is an American voice actress known for energetic, eccentric, and emotionally explosive anime performances. Her portrayal of Power in the English dub of Chainsaw Man received widespread acclaim for perfectly capturing the Blood Fiend’s chaotic arrogance, comedic unpredictability, and surprisingly emotional depth.
Wiedenheft gives Power an aggressively animated vocal style filled with loud outbursts, exaggerated confidence, and rapid emotional swings, closely matching the character’s manic energy from the manga and Japanese adaptation. At the same time, she also brings vulnerability to Power’s quieter moments, particularly during scenes involving Denji, Aki, and Meowy.
Her performance quickly became one of the standout elements of the Chainsaw Man English dub and further solidified her reputation as one of modern anime dubbing’s most recognizable comedic talents.
Hometown
The United States (specific hometown is not widely publicly documented)
Career Highlights
Some of Sarah Wiedenheft’s most recognizable anime and game roles include:
- Power — Chainsaw Man
- Tohru — Miss Kobayashi’s Dragon Maid
- Suika — Dr. Stone
- Zeno Robinson counterpart roles and ensemble casts across Crunchyroll dubs
- Phosphophyllite — Land of the Lustrous
- Kushida Kikyou — Classroom of the Elite
- Takagi — Black Clover
- Pony Tsunotori — My Hero Academia
- Rica Hoshimi — World’s End Harem
She is especially known for comedic timing, eccentric character performances, and emotionally expressive voice work.
Full Current Filmography
The following list reflects documented credits from publicly available sources and may not be exhaustive.
Television Anime
- Chainsaw Man — Power
- Miss Kobayashi’s Dragon Maid — Tohru
- Dr. Stone — Suika
- Land of the Lustrous — Phosphophyllite
- Classroom of the Elite — Kikyou Kushida
- My Hero Academia — Pony Tsunotori
- Black Clover — Takagi
- World’s End Harem — Rica Hoshimi
- New Game! — supporting roles
- Fairy Tail — supporting roles
- One Piece — additional voices
- SPY × FAMILY — additional voices
Anime Films
- Chainsaw Man – The Movie: Reze Arc — Power (officially announced)
- Miss Kobayashi’s Dragon Maid related projects — Tohru
- My Hero Academia films — Pony Tsunotori
Video Games
- Genshin Impact — additional voices
- SMITE — character voices
- Paladins — additional voices
- Borderlands 3 — supporting voices
- Fire Emblem Heroes — multiple characters
Critical Reception
Sarah Wiedenheft’s performance as Power has been widely praised for matching the chaotic spirit of the original Japanese version while giving the character a uniquely memorable English personality. Fans frequently highlight her exaggerated screams, comedic timing, and emotionally vulnerable scenes as some of the strongest performances in the dub.
Her chemistry with Ryan Colt Levy’s Denji and Reagan Murdock’s Aki is also often credited as a major reason the English adaptation’s central trio feels believable and emotionally engaging.
Our Sources
Behind The Voice Actors – Power (Chainsaw Man)
(https://www.behindthevoiceactors.com/tv-shows/Chainsaw-Man/Power/)
IMDb – Sarah Wiedenheft
(https://www.imdb.com/name/nm6416111/)
Anime News Network Encyclopedia – Sarah Wiedenheft
(https://www.animenewsnetwork.com/encyclopedia/people.php?id=120120)
Crunchyroll – Chainsaw Man English Dub Cast Announcement
(https://www.crunchyroll.com/news/announcements)
Social Media
X (Twitter): https://x.com/SarahWiedenheft
Instagram: https://www.instagram.com/sarahwiedenheft/
Official Website: https://www.sarahwiedenheft.com/
