About The Three-Body Problem Characters

Welcome to the comprehensive The Three-Body Problem characters list and database. Here you’ll find detailed profiles of all major and supporting characters in the The Three-Body Problem series. Each profile covers abilities, personality traits, backstories, and relationships.

What You'll Discover

  • Complete character bios and personality types
  • Unique abilities, roles, and gameplay traits
  • Lore connections, occupations, and recurring appearances

Character Roles in The Three-Body Problem

The Three-Body Problem features a wide variety of characters with distinct roles and responsibilities:

  • Aerospace Engineer / Swordholder characters
  • Sociologist / Wallfacer characters
  • Detective / Pragmatist characters
  • PIA Chief / Strategist characters
  • Nanomaterials Scientist characters
  • Astrophysicist / Strategist characters

Below you’ll find the complete list of The Three-Body Problem characters, organized for easy browsing and discovery.

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Cheng Xin

The Three-Body ProblemAerospace Engineer / Swordholder

An aerospace engineer whose compassion shapes human history, from the Staircase Program to the end of the universe.

Occupation: Engineer / Swordholder
Debut: Death's End
Affiliation: PIA / UN
Gender: Female
Age: Adult

Personality

CompassionateIdealisticGentleHesitant

Abilities

Engineering designMoral conscienceStaircase Program archite...
Quote:

I choose love, even if it destroys us.

Luo Ji

Luo Ji

The Three-Body ProblemSociologist / Wallfacer

A theorist chosen for the Wallfacer Project, whose deterrence concept reframes survival at interstellar scales.

Occupation: Sociologist / Strategist
Debut: The Dark Forest
Affiliation: UN Wallfacer Project
Gender: Male
Age: Adult

Personality

ContemplativeStrategicDetachedCreativeDecisive

Abilities

Game‑theoretic modelingDeterrence designScenario planningStrategic ambiguityLong‑term coordinationInformation discipline

Notable Items

Cosmology papersWallfacer dossier
Quote:

Deterrence is a language that must be understood.

Shi Qiang (Da Shi)

Shi Qiang (Da Shi)

The Three-Body ProblemDetective / Pragmatist

A seasoned detective whose streetwise pragmatism and human sigl‑reading prove vital amid existential puzzles.

Occupation: Detective
Debut: The Three-Body Problem
Affiliation: Police / State Security
Gender: Male
Age: Adult

Personality

PragmaticBluntPerceptiveProtectiveStreetwise

Abilities

Intuition under pressureInterpersonal leverageOperational planningPattern spottingField improvisationRisk triage

Notable Items

Cigarette packPolice badge
Quote:

People are the hardest sigls to read—and the most important.

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Thomas Wade

The Three-Body ProblemPIA Chief / Strategist

A ruthless pragmatist who believes that to lose your humanity is to lose much, but to lose your beast ture is to lose everything.

Occupation: Intelligence Chief
Debut: Death's End
Affiliation: PIA
Gender: Male
Age: Adult

Personality

RuthlessDrivenCalculatingFearless

Abilities

Absolute determinationMachiavellian strategyResource acquisition
Quote:

Advance! Advance at any cost!

Wang Miao

Wang Miao

The Three-Body ProblemNanomaterials Scientist

A researcher drawn into a reality‑bending investigation linking scientific anomalies to a cosmic game.

Occupation: Scientist
Debut: The Three-Body Problem
Affiliation: Research Institutes / Nanomaterials Lab
Gender: Male
Age: Adult

Personality

CuriousMethodicalSkepticalAdaptableTenacious

Abilities

Analytical reasoningSystems thinkingCrisis adaptationPattern detectionExperimental rigorInterdisciplinary problem...

Notable Items

Lab notebookCamera rig
Quote:

If reality bends, measure it twice.

Ye Wenjie

Ye Wenjie

The Three-Body ProblemAstrophysicist / Strategist

A physicist shaped by tumultuous history whose decisions at the Red Coast Base set humanity on a centuries‑spanning course.

Occupation: Astrophysicist
Debut: The Three-Body Problem
Affiliation: Red Coast Base / Tsinghua University
Gender: Female
Age: Adult

Personality

ResoluteAnalyticalStoicPrincipledFar‑sighted

Abilities

Astrophysics insightLong‑horizon thinkingMoral calculusSignal analysisSystems reasoningStrategic framing

Notable Items

Red Coast logsRadio array schematics
Quote:

History writes the equations we live by.

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