The Big Four · Character

Number Four

A shadowy operative of the Big Four who moves through the world in disguise, and whose true face is an obscure English actor named Claud Darrell.

major

Also known as Number Two, Number Three, Meanwhile Number Four

First appearance: i the unexpected guest

As a major figure in The Big Four, Number Four is not background color—the story leans on what they do once the chapter opens.

Implied to be the murderer; disguised as an asylum keeper; referred to as 'the destroyer'.

In the storyII: The Man from the AsylumOpen this moment free

See Number Four in II: The Man from the Asylum Book page

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Number Four is the Big Four's field agent — the one who appears in person while Li Chang Yen directs from afar and Ryland and Olivier lend wealth and genius. Poirot believes him to be Claud Darrell, an actor whose profession makes him a master of assuming any identity he needs. When the countess tears the moustaches from the man posing as Poirot, it is Number Four who snarls the death threat — and Number Four who must reckon with an adversary willing to die for success.

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The fuller portrait of Number Four sits in Reading Lens — open the free preview to keep reading with notes on the page.

See Number Four in i the unexpected guest

Character Web

22 connections

A slice of how Number Four sits in the book — open the reader for the full interactive map.

Relationship types

Rivalry
Other

Character groups

Core Conspirators and Victims
Protagonist

+17 more in the full Character Web

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Narrative arc

Story tension across the book — this chapter sits in Exposition.

Setup
Escalation
Breaking point
Aftermath
Closing

This is the dramatic climax because Hastings is forced to confront the ultimate emotional and psychological pe…

Full beat labels and climax notes unlock in the reader.

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Relationships

Hercule Poirot
rivalry · negative
Number Four is a key member of the Big Four, a dangerous enemy working against Poirot. How this plays out →
Hercule Poirot
rivalry · negative
Number Four is a key member of the Big Four, a dangerous enemy working against Poirot. How this plays out →
Hercule Poirot
rivalry · negative
Number Four is a key member of the Big Four, a dangerous enemy working against Poirot. How this plays out →

Relationship notes

How these ties play out is in the reading companion — open the free preview.

See Number Four in i the unexpected guest

In the story

Number Four appears across 8 companion beats. Open any chapter in the free preview to see the notes beside the text.

II: The Man from the Asylum
Implied to be the murderer; disguised as an asylum keeper; referred to as 'the destroyer'.
We Hear More About Li Chang Yen
Referred to as the executive of the organization; Poirot suggests his visit was a reconnaissance to see Hercule Poirot.
In the House of the Enemy
The footman who impersonates Ryland during the meeting with Hastings, later revealed to be Number Four of the Big Four.
XI: A Chess Problem
Identified as the servant Ivan; master of disguise and orchestrator of the murder plot.
The Mouse Walks In
Dictates the deceptive letter to Hastings; orchestrates the trap.
XIV: The Peroxide Blonde
The elusive master of disguise; Poirot identifies him as an actor and later as Claud Darrell.
Number Four Wins a Trick
Recognized by Poirot at dinner in the hotel due to his habit of dabbing bread. He is startled by Poirot's reappearance and leaves to make arrangements.
In the Felsenlabyrynth
Leads the capture of Hastings and Poirot; mocks them in the headquarters; later dies unrecognizably in the explosion.

Chapter companion notes

Spoil-light check-ins for Number Four unlock in the free preview.

See Number Four in i the unexpected guest

See Number Four in II: The Man from the Asylum