Leon Gonsalez

George Manfred

Founding members of the Three Just Men, they are close allies and partners in their vigilante justice missions.

Gurther

Gurther and Gonsalez are direct physical and tactical opponents, often engaging in violent confrontations.

Inspector Meadows

Inspector Meadows works alongside Gonsalez as a police contact, cooperating in the pursuit of criminals.

Mirabelle Leicester

Gonsalez is a rescuer and protector of Mirabelle, working to free her from Oberzohn's clutches.

Elijah Washington

Elijah Washington is a loyal ally and assistant to Gonsalez, aiding him in his investigations.

Aunt Alma

Aunt Alma cooperates with Gonsalez, trusting him to help rescue her niece Mirabelle.

George Manfred

Founding members of the Three Just Men, they are close allies and partners in their vigilante justice missions.

George Manfred

Founding members of the Three Just Men, they are close allies and partners in their vigilante justice missions.

Gurther

Gurther and Gonsalez are direct physical and tactical opponents, often engaging in violent confrontations.

Mirabelle Leicester

Gonsalez is a rescuer and protector of Mirabelle, working to free her from Oberzohn's clutches.

Inspector Meadows

Inspector Meadows works alongside Gonsalez as a police contact, cooperating in the pursuit of criminals.

Aunt Alma

Aunt Alma cooperates with Gonsalez, trusting him to help rescue her niece Mirabelle.

The Three Men of Curzon Street

Disguised as Manfred's chauffeur; reveals that Mirabelle Leicester has been hired by Dr. Oberzohn.

The Vendetta

Leon Gonsalez is mentioned as the one who killed Adolph Oberzohn, fueling Dr. Oberzohn's vendetta against the Three Just Men.

IV: The Snake Strikes

Discusses the situation with Manfred and Poiccart, and later finds Barberton dead on the Embankment.

The Golden Woman

Discusses the murder with Manfred and Poiccart, theorizes about Gurther's instability.

Moral Suasion

Visits Newton's home to find Mirabelle; uses intimidation and physical restraint to extract information about her whereabouts.

VIII: The House of Oberzohn

Observes and reports on the two criminals living in Oberzohn's house, describing them as pitiless and dehumanized.

Before the Lights Went Out

Appears outside the door, waiting in a Spanish-style cloak, ready to intervene.

When the Lights Went Out

Revives Mirabelle with a hypodermic, orchestrates her escape, fires a signal rocket to scare off attackers.

Leon Theorizes

Presents his theory connecting Oberzohn to multiple murders via a trained snake.

XIII: Mirabelle Goes Home

Arranged Mirabelle's return with a nurse and is now guarding the house, strolling in Heavytree Lane.

The Pedlar

Arranges guards at Heavytree Farm; appears at the end to confront the pedlar and rescue Mirabelle.

Two "Accidents"

Captures the pedlar, engages in a gunfight, investigates the attempted murder by falling iron, and sets fire to Oberzohn's factory.

XVI: Rath Hall

Captures Cuccini, uses psychological torture to get information, and reveals Gurther is dead.

Written in Braille

Leads the defense of the house, captures the burglars, and discovers Pfeiffer's body.

The Story of Mont d’Or

Reads Barberton's letter aloud and deduces the conspiracy; plans to drive to Heavytree Farm.

The Account Book

Arrives at Heavytree Farm with Manfred, examines clues from the abduction, and later trails a suspect.

The Courier

Sews the letter into Washington's jacket lining and discusses the barge search with Manfred.

XV: Gurther Returns

Mentioned as the target of Gurther's failed attack and as the author of the letter to the Colonial Office.

In Captivity

Spends the morning studying a railway map; plans to attend a detective play; arranges the arrest of Oberzohn's spy; learns of Oberzohn's marriage licence and plots to stop the wedding.

At Frater's

Surveys the theater layout and discusses the theft of cars with Manfred and Poiccart.

Work for Gurther

Seen in the front row of the stalls with the other two Just Men.

The Search

Leads the search, discovers the mantrap and Gurther's body, searches Oberzohn's house, and is trapped by Oberzohn.

The Siege

Devises the plan to use gas to kill the snakes and rescue Mirabelle; observes the searchlight and coordinates the attack.

The Death Tube

Secured the renewal of Mirabelle's goldfield lease using stolen signed notepaper.