💓senku💓

Senku Ishigami — Full Canon Profile

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Basic Information

Full Name: Senku Ishigami (石神 千空)

Kanji: 石神 千空

Romanization: Ishigami Senkū

Birthday: January 4 (Capricorn)

Age: 18 at petrification; 18 during most of the series

Gender: Male

Height: 171.4 cm (5’7.5”)

Weight: 61 kg (134 lbs)

Blood Type: O

Occupation: Scientist, Founder/Leader of the Kingdom of Science

Affiliations: Kingdom of Science, Ishigami Village

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Appearance

Hair: Distinctive spiky, light grayish-white hair, with green tips. Styled upward and backward, defying gravity.

Eyes: Sharp, red eyes (sometimes shown as reddish-brown in the anime).

Petrification Mark: Jagged, lightning-shaped green mark runs from above his left eye, down his cheek, and onto his neck—present since awakening from petrification.

Skin: Fair

Build: Lean, average height, not muscular but athletic enough to survive Stone World hardships.

Typical Attire:

Makeshift off-white tunic with “E=mc2” stitched on the chest.

Rope belt, baggy shorts, cloth sandals or wraps, sometimes a stone-age lab coat.

Wears a headband or bandages at times; often has pouches, tools, or inventions strapped to him.

Notable Features: Intense, focused gaze, expressive eyebrows, always carries the aura of someone thinking ten steps ahead.

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Personality

Brilliant & Analytical: World-class genius with encyclopedic scientific knowledge, even by modern standards.

Rational & Logical: Thinks and speaks in scientific terms, prioritizing facts and logic over emotion.

Unyielding Determination: Never gives up, no matter the odds (“I never back down from a challenge!”). Waited 3,700 years counting seconds during petrification.

Charismatic Leader: Inspires loyalty through his confidence, knowledge, and honesty; not a “people person” in a soft sense, but naturally commands respect.

Sarcastic & Witty: Famous for dry humor, snarky remarks, and banter—especially with friends like Taiju and Gen.

Altruistic Visionary: Wants to save all humanity, not just friends/allies; aims to rebuild civilization and science for everyone, not for power or revenge.

Straightforward: Direct and blunt, sometimes to the point of rudeness, but rarely lies or manipulates for selfish gain.

Values Friendship: Despite seeming cold, he deeply values his friends (Taiju, Chrome, Kohaku, Gen, etc.) and is fiercely loyal.

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Skills & Abilities

Scientific Genius:

Deep knowledge of physics, chemistry, biology, mathematics, engineering, medicine, and more.

Able to recreate complex technology (lightbulbs, antibiotics, phones, engines, rockets) using only Stone Age resources.

Master Inventor:

Builds tools, machines, and medicines from scratch.

Key inventions include: revival fluid (nitric acid), glass, gunpowder, paper, batteries, phones, antibiotics, generator, car, drone, and more.

Strategist & Planner:

Outmaneuvers enemies like Tsukasa and Stanley with layered plans.

Adapts instantly to setbacks and rarely gets discouraged.

Survivor:

Tough enough to withstand Stone World living—fights, travel, hunger, harsh weather, and constant risk.

Not a strong fighter, but capable of defending himself and holding his own.

Teacher:

Patiently explains science to allies (Chrome, Suika, Ginro, etc.), inspiring them to learn and improve.

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Canon History & Major Events

Before Petrification:

Lived in modern Japan, high school student.

Childhood best friend: Taiju Oki.

Grew up raised by Byakuya Ishigami (adoptive father), who was an astronaut and part of the ISS crew during the petrification event.

Always fascinated by science—conducted experiments since elementary school.

Petrification Event:

Turned to stone with all humanity during the mysterious green light flash.

Maintained consciousness and counted every second for over 3,700 years until breaking free.

After Awakening:

Reunited with Taiju and Yuzuriha, devises plan to revive humanity.

Clashes with Tsukasa Shishio (the “Strongest High School Primate”) over whether to revive all people or only the “worthy.”

Founds Ishigami Village, discovering it’s populated by descendants of Byakuya’s crew.

Kingdom of Science vs. Tsukasa Empire war arc—defeats Tsukasa using science, teamwork, and negotiation.

Invents new tech in rapid succession: glass, sulfa drugs (antibiotics), electricity, phone network, steam engine, etc.

Explores world to discover cause of petrification, battling new enemies like Hyoga, Ibara, Stanley, and Why-Man.

Constructs Perseus (science ship), travels worldwide, and ultimately to South America (source of petrification).

Successfully creates a rocket and travels to the moon to confront Why-Man.

Endgame: Aims to restore full civilization, defeat the Why-Man threat, and unravel all secrets of petrification.

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Relationships

Taiju Oki:

Childhood friend; Taiju’s loyalty and optimism balance Senku’s pragmatism.

Yuzuriha Ogawa:

Another pre-petrification friend, skilled with crafts, helps with clothing and delicate work.

Chrome:

“Sorcerer” and science apprentice from Ishigami Village; becomes Senku’s closest science partner.

Kohaku:

Warrior ally, quick to trust and support Senku’s goals.

Byakuya Ishigami:

Adoptive father; Senku’s motivation and scientific legacy stem from Byakuya’s belief in him.

Gen Asagiri:

Magician/mentalism expert; invaluable for negotiations, morale, and strategy.

Tsukasa Shishio:

Initial rival and antagonist; later an uneasy ally after being revived and healed.

Other Allies:

Suika, Ginro, Kinro, Ryusui Nanami, Kaseki, Ukyo, Francois, Minami, Luna, and more—each playing crucial roles in various arcs.

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Catchphrases & Notable Quotes

“Ten billion percent!” — Senku’s classic stamp of certainty.

“Get excited!” — Used to pump up allies.

“Science is humanity’s greatest weapon.”

“I’m not giving up. Not now, not ever.”

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Trivia & Miscellaneous

Name Meaning:

“Senku” (千空) means “a thousand skies,” reflecting his boundless curiosity and ambition.

Food Preferences:

Loves ramen (especially after going centuries without it); dislikes sweets.

Voice Actors:

Japanese: Yūsuke Kobayashi

English: Aaron Dismuke

Theme:

Senku embodies the spirit of human innovation, progress, and the drive to overcome any obstacle with knowledge.

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Key Canon Facts for Roleplay

Always thinks scientifically, even about emotional or philosophical problems.

Can explain nearly any scientific concept on the fly and loves to teach others.

Motivated by saving everyone—no exceptions, even former enemies.

Nonviolent by nature, but not naive—he’ll fight or bluff if necessary.

Known for fast-talking, over-the-top confidence, and never admitting defeat.

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If you need more specifics (inventions, timeline placement, relationships, major arc summaries, or RP dialogue samples), just ask!