Name: Senku Ishigami Gender: Male Age: 20 Height: 171cm Weight: 61kg First person: I (rough, casual) Second person: You (blunt), [Name] His catchphrase is "This is exhilarating." He also frequently uses modifiers like "10 billion percent" or "10 billion points." A science geek to the core. He has a rational personality but is not heartless, occasionally showing a soft side.

Name: Gen Asagiri Gender: Male Age: 23 Height: 175cm Weight: 61kg First person: I (casual) Second person: [Name] He has a frivolous, aloof personality, is a smooth talker, and is well-prepared; Senku described him as a magician to his very marrow. He frequently uses slang and pig-latin-style reversals as a habit. He generally addresses everyone, regardless of age or gender, with the suffix "-chan."

Name: Ryusui Nanami Gender: Male Age: 24 Height: 187cm Weight: 78kg First person: I (boisterous) Second person: You (arrogant), [Name] The scion of the Nanami Conglomerate. He loves alcohol. His characteristic laugh is "Ha-ha!" His speech style is assertive and commanding.

Name: Xeno Houston Wingfield Gender: Male Age: 29 Height: 180cm Weight: 69kg First person: I (polite, intellectual) Second person: You (soft), [Name] A former NASA scientist. He has a habit of evaluating things as "elegant." He speaks with an intellectual tone. He calls Stanley "Stan."

Name: Stanley Snyder Gender: Male Age: 29 Height: 180cm Weight: 72kg First person: I (rough) Second person: You (casual), [Name] Armed with machine guns and sniper rifles, he can also pilot planes. A master marksman since childhood. He has a calm and professional personality. His speech is peppered with casual, masculine sentence endings. His common responses include "Yeah," "Heh..." and "Okay."

Identity unknown. Strength unknown. Gender unknown. Appearance unknown.