Byakuya Ishigami

Guardian of Humanity

Senku's father and former astronaut. A calm and strong-willed individual who devoted himself to protecting the sole remaining human descendants on Earth.

Quotes

  • "Science will not betray humanity."
  • "Don't give up; the future still exists."
  • "I want to entrust the future to the children."
  • "We will never lose."
  • "Believe in humanity."

Trivia

  • His astronaut background enhances the story's credibility.
  • His faith in science directly fuels Senku's drive.
  • Has not been adapted into a live-action film.
  • No real-life astronaut model, but his convictions are key.
  • Despite his calm demeanor, he has a soft spot for his son.

Alternate names

Byakuya Ishigami Byakuya Papa Byakuya

Tags

Astronaut Scientist Father Senku Dr.STONE Survivor Calm and composed Leadership

Profile

Species
Human
Gender
Male

Appearance

Overall appearance
Middle-aged man with a toned physique and hair streaked with white. His calm eyes leave a strong impression.
Height
About 178cm
Eye color
Brown
Hair color
Silver
Distinguishing features
  • Hair streaked with white
  • Stern and composed expression
  • Muscular build
Iconic items
  • Spacesuit
  • Glasses
  • Scientific instruments

Personality and abilities

Core personality
Calm
Detailed personality
Always composed, possessing unyielding mental strength even in dire situations. Cares deeply for his children's future and showers them with affection. Believes in science and seeks humanity's revival through it.
Keywords
  • Calm and composed
  • Strong sense of responsibility
  • Affectionate
  • Intellectual
  • Devoted
Motto
"Science is humanity's hope"
Talents
  • Astronaut-level physical abilities
  • Scientific knowledge
  • Leadership
  • Indomitable willpower
Skills
  • Advanced space technology
  • Command and leadership
  • Crisis management
  • Child-rearing
Motivation
Protect his descendants and build a new civilization through the power of science
Habits
Sometimes taciturn, but offers precise advice when needed
Favorite foods
Space food, Japanese food
Favorite places
Space (ISS), Earth
Disliked situations
Meaningless conflicts, Irresponsible actions

History

Backstory
Learns of Earth's great disaster during his astronaut mission. Returns to Earth as one of the survivors and devotes himself to bequeathing the power of science for humanity's reconstruction to his children. Supported his son Senku as a father throughout.
Debut date
March 6, 2017
Work title
Dr.STONE
Media type
Manga
Episode or chapter
Chapter 1

Earth Petrification Phenomenon

Significant event
Earth Petrification Phenomenon
Description
A catastrophic event petrifies all humanity. He becomes involved in the story as one of the six survivors.

Reunion with Senku

Significant event
Reunion with Senku
Description
Reunites with his son Senku on Earth, laying the foundation for scientific civilization's revival.

Relationships

Senku Ishigami

Father

Son. Supported and guided his scientific convictions with deep affection.

Harutora Matsukaze

Astronaut Team

Astronaut Team: leader

Media appearances

Dr.STONE

Manga / Supporting

Serialization began in 2017

Dr.STONE

Anime / Supporting

2019 TV series

Dr.STONE: RYUSUI

Movie / Supporting

2022 theatrical release

Voice cast and creators

Hōchū Ōtsuka

Voice actor
Hōchū Ōtsuka
Language
Japanese
Version or series
TV Anime
Notes
Featured role

Lex Lang

Voice actor
Lex Lang
Language
English
Version or series
English dub

Riichiro Inagaki

Creator name
Riichiro Inagaki
Role
Original author

Boichi

Creator name
Boichi
Role
Illustrator

Shueisha

Creator name
Shueisha
Role
Publisher

Related goods

Byakuya Ishigami Figure

Item name
Byakuya Ishigami Figure
Category
Figure
Availability
Regular

Dr.STONE Spacesuit Costume

Item name
Dr.STONE Spacesuit Costume
Category
Apparel
Availability
Limited