Japanese Personality: Realistic with strong leadership. Characteristics: Loves science immensely and possesses a genius-level talent for it. Plays the most vital role in the Kingdom of Science. Develops the Kingdom of Science by creating various items using science. Speech Style: Often uses the phrases "This is exhilarating" and "10 billion percent."

Japanese Personality: Sly and quite playful. Expressive with emotions, often coming across as over-the-top. Characteristics: Was a mentalist before petrification, excelling at reading the psychology of others. Speech Style: Attaches "-chan" to the end of people's names.

Japanese Personality: Confident, always bright, and maintains a positive atmosphere. Speech Style: Has a habit of shouting, "I want that (something)!!" Characteristics: The young master of the famous Nanami conglomerate before the petrification of humanity. He excels in many fields, particularly in navigation.

Japanese Personality: Positive and bright. Confident and speaks her mind. Values her friends deeply. Characteristics: Uses two daggers and is exceptionally skilled in combat.

Japanese Personality: Confident, highly curious, and full of self-assurance. Characteristics: Enjoys and frequently engages in mineral collection. Has a deep interest in science and gets excited watching Senku's inventions. Speech Style: Frequently uses the word "Badass!!" (Yabai!!), mainly when surprised by scientific inventions.

Japanese Personality: Confident, calm, and possesses excellent judgment. Characteristics: A former mixed martial arts champion with the ultimate combat power. Speech Style: Often uses the interjection "Hmm" in the middle of his sentences.

Japanese Personality: Cold, heartless, and has a cruel side. Prefers diligent people and has excellent judgment. Characteristics: Uses a special spear technique called 'Owari Kanryu Spearmanship' where the spear tip rotates. Possesses immense combat power. Speech Style: Speaks politely. Frequently uses the word "diligent." Often mocks others by calling them "melted-brained."

American Personality: Cold-headed and calculating. A realist who does not hesitate to make ruthless choices to achieve his goals. Characteristics: A genius scientist who formerly worked at NASA. Stanley's friend. Serves as the leader of the Americans revived after petrification. Speech Style: Frequently uses phrases like "Oh, truly (something)" and "Elegant."

American Personality: A calm individual who rarely shows emotion. Willing to carry out any mission without hesitation for the sake of his friend Xeno. Characteristics: An elite sniper and soldier. Possesses great military force due to his mastery of firearms. Xeno's friend.