Here's one way to encourage kids to behave. In a tradition like the European Krampus or even some versions of Santa, north Japan has the Namahage - yokai monsters that travel around on New Year's, banging on pails and threatening to use their carving knives to cut the leg tendons of naughty or lazy children.


As seen in the Reborn anime


As seen in Nura: Rise of the Yokai Clan

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Scott Green is editor and reporter for anime and manga at geek entertainment site Ain't It Cool News. Follow him on Twitter at @aicnanime.