Francois is Ryusui's faithful and extremely talented butler whose services were well sought out and coveted before the Petrification. Their gender remains unknown. They are demonstrated to be a supreme chef.


Francois is a person of average build. Their appearance is very androgynous but generally attractive. They have light hair with corkscrew curls.



They are extremely loyal to Ryusui, as shown by him being their first concern after being depetrified. They are always calm and composed, showing emotion very rarely. They seem to take great pride in their job, and would never compromise on quality.


Age of Exploration Arc

Francois is depetrified after Senku and Ryusui decide they want a chief. They are one of the many petrified by Ibara and his forces.

Skills and Abilities

Master Chef

They are capable of making long-lasting rations and delicious food. On top of that, Francois knows how to procure high-quality food based on ingredients. If the ingredients are contaminated, Francois will not use it as seen as when Francois allows Suika to keep the pig as a pet once the pig was soaked with oil before.


Francois was able to travel from Tsukasa Empire to Ishigami Village with less rest. It is indicated that Francois' stamina seems suitable to do long-term walking rather than running.


  • Ryusui says he isn't sure what Francois' actual name, gender, or even nationality is, just that they are probably Japanese and named Francois. As for their gender, he has no idea.


  1. Dr. Stone Manga — Vol. 1 Chapter 1, Francois is Petrified along with all of Earths Human Population.
  2. Dr. Stone Manga — Vol. 11 Chapter 92, Francois is revived by Yuzuriha or Nikki.
  3. Dr. Stone Manga — Chapter 103, Francois is Petrified along with majority of the Perseus Crew.

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