Pierre Tchernia

War of the Buttons is a film directed by Yves Robert, about two rival kid gangs whose playful combats escalate into violence. The title derives from the buttons that are cut-off from the rival team's clothes as combat trophies. (wikipedia.org)

An overly ambitious young man hopes to rise to the top of the advertising business. When he feels his progress is being impeded, he conspires to murder his way up the corporate ladder. He uses the bodies of his victims as rungs to climb to the top in this macabre comedy of errors. (Allmovie)

Paul Martin and François Leroux are brothers-in-law, friends, room-mates and gagmen without fame. But one day, one of the most famous television comics, Gaëtan, who has just laid off two his gagmen considered too old and not original enough, finds himself in the little theater where Paul and François where they produce themselves under the name of "Gagsters". (Wikipedia)