Dr. STONE: 4D Science

石神千空

コハク

Kohaku (コハク, Kohaku) is a young woman who is a descendant of modern humans. She is Ruri's younger sister and the daughter of Kokuyo. She is one of the protagonists of the series.

Bio from Fandom, licensed CC BY-SA

七海龍水

大木大樹

カセキ

Kaseki (カセキ, Kaseki) is the artisan of Ishigami Village. With expert skill and precision formed by his numerous years of experience as a craftsman, he is a key member of the Kingdom of Science, responsible for creating many of their scientific inventions.

Bio from Fandom, licensed CC BY-SA

石神百夜

Byakuya Ishigami (石 (いし) 神 (がみ) 百 (びゃく) 夜 (や) , Ishigami Byakuya) was Senku Ishigami's adoptive father. He was an astronaut residing on the International Space Station in space when the petrification event on Earth's surface occurred.

Bio from Fandom, licensed CC BY-SA

上井陽

マグマ

Magma (マグマ, Maguma) is a villager from Ishigami Village. Magma is known for being one of the strongest warriors of all the village.

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ジョエル・ギア

Joel Gear (ジョエル・ギア, Jyoeru Gia) is a watchmaker that was found in North America. He was revived to take apart the Petrification Weapon and see what makes it tick.

Bio from Fandom, licensed CC BY-SA

カルロス・バリオス

Carlos Barrios (カルロス・バリオス, Karurosu Bariosu) is a modern-time human who was formerly aligned with the American Colony and current member of the Kingdom of Science. He works as a driver for Luna and the KoS on occasions.

Bio from Fandom, licensed CC BY-SA