ONA
Description
In the 2025 film Lupin the IIIrd: Zenigata to Futari no Lupin, a mysterious figure emerges who is visually identical to the world-famous gentleman thief. This character is known only as the false Lupin III, a doppelgänger whose existence throws the criminal underworld and international law enforcement into confusion. His true name and origins are not disclosed, and he appears in the narrative as a pre-existing operative working for a powerful political figure.

The false Lupin possesses a cold and ruthless personality, standing in stark contrast to the playful and often morally conflicted nature of the real Lupin III. He is not motivated by the thrill of the heist, personal glory, or the accumulation of wealth for its own sake. Instead, he functions as a professional assassin and agent of chaos. His primary motivation is to execute a specific mission assigned by his employer with brutal efficiency. He has no apparent interest in proving himself as a thief or surpassing the original Lupin; he is simply a tool designed to look like the famous thief to serve a larger scheme of political deception and terror.

Within the story, the false Lupin plays the crucial role of an instigator and a weapon of mass disruption. Set in the fictional Loviet Union, he carries out a series of devastating terrorist attacks, including a fatal bombing at an airport. By framing the legendary Lupin III for these atrocities, he successfully turns the Loviet authorities against the real thief and even manages to wound Inspector Zenigata. His actions force the usual cat-and-mouse dynamic between Zenigata and Lupin into an uneasy alliance, as both the inspector and the criminal realize they are hunting the same imposter. The false Lupin's most significant act is an assassination attempt during an international treaty ceremony, seemingly killing Prime Minister Brelin to prevent a political agreement. This event is later revealed to be a staged death orchestrated by Brelin himself.

The false Lupin's key relationship is with Prime Minister Brelin. It is disclosed that Brelin hired the doppelgänger to carry out a false flag operation, intending to fake his own death and stop the treaty while framing the notorious Lupin III for the crime. The false Lupin is portrayed as a loyal, if not entirely subordinate, agent to Brelin, carrying out his orders without question. In contrast, his relationship with the real Lupin III and Inspector Zenigata is one of pure antagonism. He does not share the long-standing, complex rivalry that exists between the original two characters. For Zenigata, the false Lupin represents a perversion of his life’s mission, using Lupin’s face for genuine murder. For the real Lupin, the impostor is a nuisance and a threat to his own reputation and freedom, forcing him into a rare defensive position.

The character undergoes a limited but definitive development arc, concluding with his final mission. After Brelin reveals the truth of the plot to both Lupin and Zenigata, the false Lupin executes his employer. He then declares that he is a walking bomb, with explosives set to detonate after his heart beats one hundred times. In a final act of self-sacrifice for his mission, he allows the countdown to finish, dying in the subsequent explosion rather than being captured or defeated by his rivals. This death serves to tie up the loose ends of the conspiracy, leaving only the real Lupin to face Zenigata once more.

The false Lupin is distinguished by a specific set of notable abilities. His most obvious skill is his perfect physical resemblance to Lupin III, which is not the result of plastic surgery or a mask but appears to be a natural, unexplained likeness. This allows him to flawlessly impersonate the thief and commit crimes under his identity. Beyond his appearance, he is a highly capable operative, proficient in the use of firearms and explosives. He carries out multiple bombings and shootings with professional calm. The character also demonstrates a degree of physical capability, though he relies more on stealth, deception, and shock tactics than the acrobatic flair typically associated with the real Lupin. His ultimate technique is a grim one: using his own body as a timed explosive device, ensuring his mission concludes with no loose ends.