TV Special
Description
Inspector Koichi Zenigata is a dedicated Interpol officer renowned for his singular obsession with capturing the international thief Lupin III. His character develops significantly across various media while retaining core traits. Originating in Japan, he served with the Tokyo Metropolitan Police before joining Interpol exclusively to pursue Lupin. He descends from the fictional detective Zenigata Heiji, known for coin-throwing; Zenigata adapts this legacy into his signature, near-superhumanly accurate handcuff-throwing technique. Early portrayals, particularly in the manga and Part 1 of the anime, depict him as corrupt, opportunistic, and violent. His character evolves into a more sympathetic figure—endearingly awkward yet principled—retaining his obsessive drive while gaining moral complexity. By Part 1, Episode 14, he mellows significantly, becoming more affable and less ruthless.

His personality balances professional competence with comedic fervor. Widely respected within Interpol for identifying security flaws and apprehending numerous criminals unrelated to Lupin, he frequently clashes with superiors over resource allocation or ethical concerns. He resists bribery and maintains a strong sense of justice, often reacting with offense to corruption. Despite professional dedication, his personal life remains neglected; he acknowledges lacking family due to his relentless pursuit, though earlier media inconsistently referenced a daughter. He exhibits impulsive behavior driven by obsession—such as insomnia cured only by mentions of Lupin—and displays emotional vulnerability, frequently crying when Lupin shows him kindness or appears in mortal danger.

The dynamic between Zenigata and Lupin III features mutual, albeit unacknowledged, respect. Lupin openly treats Zenigata with mocking affection, while Zenigata reluctantly tolerates their quasi-friendly interactions. He believes only he should capture or kill Lupin, reacting fiercely to external threats against the thief. When Lupin appears dead, Zenigata experiences profound grief, sometimes retiring briefly, revealing his existential dependence on their rivalry. This codependency includes unwritten rules: neither attempts to kill the other, and Lupin often aids Zenigata against greater threats.

In *Goodbye Partner*, Zenigata faces arrest for conspiring with Lupin. This false accusation enrages Lupin, who interrupts a broadcast to vow an impossible theft—clearing Zenigata's name by stealing the Time Crystal diamond. Initially resistant to collaborating with Lupin despite the frame-up, Zenigata eventually agrees upon recognizing a larger threat from antagonist Roy Forest. His principled nature resurfaces when exploiting a legal loophole to arrest Forest, emphasizing his commitment to justice beyond personal vendettas.

Physically, Zenigata maintains good condition, proficient in judo, karate, and jitte combat. His trench coat and fedora attire varies in color across series but remains iconic. Subconscious focus on Lupin enables extraordinary feats, like waking from comas or overcoming injuries at Lupin's mention. Professionally, he operates independently of his badge—resigning in *Lupin vs. the Clone* to chase Lupin as a civilian and investigating while suspended in *Tokyo Crisis*.