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    Senku Ishigami

    Senku Ishigami

    Appears In

    Dr. Stone

    Species

    Human

    First Appearance

    March 6, 2017 (manga chapter 1), July 5, 2019 (anime episode 1)

    Occupation

    Scientist, Inventor, Village Chief (former), Five Wise Commander

    Creator

    Riichiro Inagaki, Boichi

    Community

    Overview

    Origin Story

    Senku Ishigami was born on January 4, 2004, in modern Japan. Orphaned at a young age, he was adopted by Byakuya Ishigami, an astronaut who worked for JAXA. Byakuya recognized Senku's extraordinary intellect early on and nurtured his passion for science. Senku spent his childhood conducting experiments, reading voraciously, and building a vast knowledge base spanning chemistry, physics, engineering, astronomy, and biology. On the day of his middle school graduation, a mysterious green light petrified all of humanity. Senku remained conscious inside his stone shell for 3,700 years, counting seconds to stay sane. He emerged in April 5738 AD to a world reclaimed by nature, with only the faintest ruins of civilization remaining.

    Personality

    Senku is defined by an insatiable curiosity and an unshakable belief in the power of science. He approaches every problem as a puzzle to be solved, often with a characteristic grin and the exclamation "How exciting!" He is pragmatic to a fault, willing to make morally gray decisions if they serve the greater goal of reviving humanity. Despite his cold logic, Senku cares deeply about his friends and allies, though he rarely expresses emotion openly. He has a playful side, frequently teasing others with nicknames and dry humor. His three years of solitary counting honed his patience and mental fortitude; he never gives up, no matter the odds. Senku despises superstition and irrationality but respects anyone who can match his intellect or challenge his plans.

    Story Arc

    Senku's journey begins with his depetrification alongside his friend Taiju Oki. The two work together to revive Yuzuriha Ogawa and then face Tsukasa Shishio, a powerful warrior who opposes Senku's plan to revive all of humanity, believing only the young and pure should be brought back. Senku outwits Tsukasa and escapes to Ishigami Village, a community of descendants from the original astronauts who survived the petrification event. There he meets Chrome, a fellow science enthusiast, and builds the Kingdom of Science. He leads his people through the Stone Wars against Tsukasa, using inventions like gunpowder, cell phones, and a hot-air balloon. Later arcs take him to Treasure Island, where he uncovers the source of the petrification weapon, and to the Moon, where he confronts Why-Man, an alien AI that triggered the petrification. Senku convinces Why-Man to leave Earth, completing his mission to restore human civilization. By the series' end, he is 26 years old and has successfully revived millions, though the work continues.

    Powers & Abilities

    Genius-level intellect and scientific knowledge

    Superhuman mental endurance (counted seconds for 3,700 years)

    Expert inventor and engineer

    Skilled in chemistry, physics, biology, astronomy, and medicine

    Strategic planning and leadership

    Multilingual (understands English, Russian, and other languages through research)

    Equipment & Signature Items

    Petrification device (temporarily used)

    Cell phone (recreated)

    Hot-air balloon

    Sulfa drug formula

    Stone tools and laboratory equipment

    Relationships

    Memorable Quotes

    I am a technology kid, who's excited by mecha, space and Doraemon! I will save all of humanity, without exception, with the power of science!
    100 billion percent!
    How exciting!
    Sorry, I don't have even 1mm of interest in that kind of thing. I am simply hungrily longing to explore everything in this world, and that's all!
    Science is about understanding the world, not just memorizing facts.

    Portrayed By

    Yusuke Kobayashi

    Dr. Stone (anime)

    2019-2023

    Mikako Komatsu

    Dr. Stone (anime, child)

    2019-2023

    Aaron Dismuke

    Dr. Stone (English dub)

    2019-2023

    Mikaela Krantz

    Dr. Stone (English dub, child)

    2019-2023

    Key Appearances

    Dr. Stone (manga, 2017-2022)

    Dr. Stone (anime, 2019-2023)

    Dr. Stone: Ryusui (OVA, 2022)

    Dr. Stone: New World (anime season 3, 2023)

    Dr. Stone: Science Future (anime season 4, 2025)

    J-Stars Victory VS (video game, 2014) - cameo

    Dr. Stone video games

    Reception & Legacy

    Senku Ishigami has been widely praised by critics and fans for breaking the mold of shonen protagonists. Instead of physical strength or supernatural powers, his weapon is knowledge, which resonated with audiences seeking a more intellectual hero. He won Best Protagonist at the 4th Crunchyroll Anime Awards and consistently tops popularity polls within the franchise. Reviewers highlight his sharp dialogue, the satisfying payoff of his scientific explanations, and his complex rivalry with Tsukasa. The character's appeal extends beyond anime fans; educators and STEM advocates have noted the series' ability to make science engaging. Some criticism has centered on the occasional implausibility of Senku's inventions, but overall he is considered a standout character of the 2010s shonen landscape.

    Interesting Facts and Legends

    Senku's catchphrase "100 billion percent" is a translation of the Japanese "100 oku pāsento" (100億パーセント).

    Riichiro Inagaki created Senku as a positive reimagining of Agon Kongo, a villain from his earlier series Eyeshield 21.

    Senku's voice actor Yusuke Kobayashi also voiced Subaru Natsuki in Re:Zero, another protagonist known for mental fortitude.

    In the official popularity polls, Senku ranked first in both the first and second Dr. Stone character polls.

    Senku's favorite food is ramen, and his motif color is sky green.

    When asked about his ideal type of girl, Senku said: 'Someone who can keep pumping oxygen into my iron-making furnace.'

    Frequently Asked Questions

    Who is Senku Ishigami?
    Senku Ishigami is the main protagonist of the manga and anime series Dr. Stone. He is a scientific genius who awakens from petrification thousands of years in the future and uses his knowledge to rebuild human civilization.
    Does Senku die in Dr. Stone?
    No, Senku does not die. He survives the entire series and successfully achieves his goal of reviving humanity, eventually confronting the alien AI Why-Man on the moon.
    Who voices Senku Ishigami?
    In the Japanese anime, Senku is voiced by Yusuke Kobayashi, with Mikako Komatsu voicing him as a child. In the English dub, he is voiced by Aaron Dismuke, with Mikaela Krantz voicing him as a child.
    Is Senku a villain?
    No, Senku is the hero of the story. He is a protagonist who uses science for the benefit of humanity, though he sometimes employs morally ambiguous tactics to achieve his goals.
    Who does Senku end up with?
    Senku does not end up in a romantic relationship. The series focuses on his scientific mission, and his relationships with characters like Kohaku and Yuzuriha remain platonic.

    Keywords

    Senku IshigamiDr. StonescientistprotagonistanimemangageniusKingdom of Science

    Sources

    Character Info

    Birthdate
    January 4, 2004
    Height
    168 cm (5'6")
    Blood Type
    AB

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