Koichi Zenigata

銭形幸一, Inspector, Old man, Pops
Zenigata has made it his mission in life to arrest Lupin. He would love to arrest the other members of Lupins gang but Zenigata is really after the mastermind himself. Lupin and Zenigata appear to be the worst of enemies but they are in a manner of speaking friends something Lupin shows openly often by greeting Zenigata with mock affection but it is an idea Zenigata is extremely reluctant to entertain. Similarly he is often awed by Lupins genius but refuses to show it. In the movie Mystery of Mamo it is mentioned that Zenigata has a daughter named Toshiko but this isnt developed any further. Hes unable to settle down because of his eternal pursuit and although he sometimes longs for female company he has no luck with womenin no small part due to his inability to commit himself to anything but chasing Lupin. The Manga series reveals that he has a grandson a student at Todai University who fiercely opposes Lupins attendance though by the end of the arc he has largely given up on having Lupin expelled outright. The anime Zenigata is a quite sensitive person and often cries in emotional situations particularly when he thinks Lupin has done something out of consideration for him or when finding out Lupin is OK after worrying about him. On occasions when Lupin appears to be dead he mourns him more expressively than anyone else partly from genuine grief partly because he no longer has a goal in life. Because of this singular ambition he is never particularly displeased when Lupin manages to escape his custody since that means the hunt will go on. In one instance in the manga Zenigata even goes so far as to cryogenically freeze himself so that he can continue to chase Lupin in the future though both his and Lupins cryopods malfunction and they are stuck in the present. Source: Wikipedia