# Don Luis Perenna — The Teeth of the Tiger character guide > Don Luis Perenna in The Teeth of the Tiger by Maurice Leblanc. **Role:** major **Also known as:** Perenna, Don Luis, Private Perenna, Don Perenna **First appearance:** 0000-i-d-artagnan-porthos-and-monte-cristo ## Snapshot A soldier turned adventurer who solves murders faster than the police, Don Luis Perenna is the enigmatic heir whose very name may conceal a legendary thief. ## Who they are Perenna moves through Parisian high society and police investigations alike, offering his brilliant deductions while a fortune in the Mornington inheritance hangs in the balance. He is a man of action and mystery, whose authority is constantly challenged by officials who suspect his true identity even as they rely on his genius. His desperate phone call from a hidden ceiling, warning of an imminent explosion, reveals both his physical daring and the mortal danger that shadows his every move. ## Relationships ### [Florence Levasseur](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/florence_levasseur) _romantic_ Don Luis is deeply in love with Florence, though their relationship is complicated by secrets and danger. ### [Sergeant Mazeroux](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/sergeant_mazeroux) _friendship_ Mazeroux is Don Luis's loyal friend and ally, often assisting him in investigations. ### [M. Desmalions](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/m_desmalions) _professional_ M. Desmalions, the Prefect of Police, works with Don Luis as a trusted consultant on criminal cases. ### [Deputy Chief Weber](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/deputy_chief_weber) _rivalry_ Weber is suspicious of Don Luis and often competes with him, viewing him as a potential criminal. ### [Gaston Sauverand](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/gaston_sauverand) _rivalry_ Don Luis and Sauverand are adversaries, with Sauverand involved in criminal schemes against Don Luis. ### [Hippolyte Fauville](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/hippolyte_fauville) _rivalry_ Hippolyte Fauville is a murder victim whose death Don Luis investigates, making him a key figure in the mystery. ### [Marie Fauville](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/marie_fauville) _friendship_ Don Luis protects and sympathizes with Marie Fauville, the widow of the murdered scientist. ### [Armande Roussel](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/armande_roussel) _friendship_ Armande Roussel is a loyal ally and assistant to Don Luis, helping him in his investigations. ### [Valenglay](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/valenglay) _friendship_ Valenglay is a powerful political ally and friend who supports Don Luis's secret operations. ### [M. Desmalions](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/m_desmalions) _professional_ M. Desmalions, the Prefect of Police, works with Don Luis as a trusted consultant on criminal cases. ### [Florence Levasseur](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/florence_levasseur) _romantic_ Don Luis is deeply in love with Florence, though their relationship is complicated by secrets and danger. ### [Deputy Chief Weber](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/deputy_chief_weber) _rivalry_ Weber is suspicious of Don Luis and often competes with him, viewing him as a potential criminal. ## In the story ### [I: d’Artagnan, Porthos… and Monte Cristo](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/i-d-artagnan-porthos-and-monte-cristo) Present at the reading of Cosmo Mornington's will; his identity is verified by the Peruvian attaché and Major Comte d'Astrignac; he is the executor and conditional legatee. ### [A Man Dead](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/ii-a-man-dead) Reveals himself as Arsène Lupin to Mazeroux; investigates the Mornington will and deduces a plot against the Fauvilles. ### [A Man Doomed](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/iii-a-man-doomed) Discovers the double murder, swears vengeance, and realizes he is framed. ### [IV: The Clouded Turquoise](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/iv-the-clouded-turquoise) Detained and questioned by the Prefect; suspected due to his presence in the house during the murders. ### [V: The Iron Curtain](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/v-the-iron-curtain) Receives a phone call from Mazeroux about the arrest operation and Marie Fauville's suicide attempt; is trapped by a falling iron curtain; later reads newspapers with Mlle. Levasseur. ### [The Man with the Ebony Walking-Stick](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/vi-the-man-with-the-ebony-walking-stick) Receives the Prefect of Police in his study; is confronted with the incriminating walking-stick half but negotiates a compact to remain free and assist the police. ### [Shakespeare’s Works, Volume VIII](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/vii-shakespeare-s-works-volume-viii) Discovers the hidden compartment in the Shakespeare volume and suspects Florence of theft and complicity; later keeps watch at the Fauville house. ### [VIII: The Devil's Post-Office](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/viii-the-devil-s-post-office) The central figure, credited with saving the Prefect of Police and receiving Fauville's letter; he suspects Florence and investigates the case. ### [IX: Lupin’s Anger](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/ix-lupin-s-anger) Pursues Sauverand and Florence, vows to defend Marie Fauville, and struggles with jealousy and rage. ### [X: Gaston Sauverand Explains](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/x-gaston-sauverand-explains) Struggles with his hatred for Sauverand and his lingering passion for Florence; listens to Sauverand's plea and explanation. ### [XI: Routed](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xi-routed) Tries to outwit Deputy Chief Weber by claiming he has captured Florence and Sauverand, but is ultimately outmaneuvered; discovers the secret passage used by the fugitives. ### [XII: “Help!”](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xii-help) Narrates his deductive process, becomes convinced of Sauverand and Marie Fauville's innocence, and discovers the true criminal's identity; trapped in the underground passage, he cries for help as the explosion approaches. ### [XIII: The Explosion](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xiii-the-explosion) Survives the explosion by digging a tunnel to a telephone, warns the police, and later emerges determined to prove the innocence of Marie Fauville and Sauverand. ### [XIV: The "Hater"](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xiv-the-hater) Reveals the truth about Fauville's plot, explaining the logic behind the letters and the sealed envelope. ### [XV: The Heir to the Hundred Millions](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xv-the-heir-to-the-hundred-millions) Remains calm despite Mazeroux's warnings and the mounting suspicion against him; later argues that the inheritance was not Fauville's motive. ### [XVI: Weber Takes His Revenge](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xvi-weber-takes-his-revenge) Defends Florence, is arrested by Weber, reveals his identity as Arsène Lupin. ### [XVII: Open Sesame!](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xvii-open-sesame) Imprisoned as Arsène Lupin, he negotiates with Valenglay for temporary freedom to save Florence. ### [Arsène I Emperor of Mauretania](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xviii-ars-ne-i-emperor-of-mauretania) Reveals his identity as Arsène Lupin and his conquest of Mauretania; offers the empire to France for freedom to rescue Florence Levasseur. ### [The Snare Is Laid. Beware, Lupin!](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xix-the-snare-is-laid-beware-lupin) Pursues Florence after her abduction, interrogates the taxi driver, deduces the villain's route, and tracks her to Damigni. ### [XX: Florence's Secret](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xx-florence-s-secret) Saves Florence's life, confronts her about her hostility, and learns of her secret love for him. ### [Lupin's Lupins](https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/chapters/xxi-lupin-s-lupins) Retired to Saint-Maclou, cultivates lupins, helps the unfortunate, and defends Arsène Lupin's legacy. Later arrives at Valenglay's office precisely on time, having captured Jean Vernocq. ## Links - HTML: https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters/don_luis_perenna - Book: https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se - All characters: https://www.betterreads.dev/discover/the_teeth_of_the_tiger_se/characters