Politenessman (1985)

Based on the comic strip character by the same name. This comedy revolves around a dying millionaire tries to announce his heir to his greedy relatives, as well his mistress and his accountant. All are arguing amongst themselves, as they want to be chosen as his heir, knowing that the problem is that if he dies before picking one of them, all of his fortune goes to a bird-watching club. Then Politenessman interrupts and uses his steel hanky towards the millionaire, killing him, and to reprimand everyone for whispering, deeming it impolite and a sign of "bad breeding". As a result of the millionaire's death, unable to announce an heir and leaving all of his fortune to the bird-watching club. Politenessman reminds the viewers that while not everyone can be a millionaire, it costs very little to be courteous.