CNN  —  In German folklore, doppelgängers are considered to be a bad omen whose presence brings about misfortune. It feels all the more fitting then, that amid today’s geopolitical conflicts, increasing climate catastrophes and economic uncertainties, we’re seemingly hooked on celebrity lookalike contests. It began with actor Timothée Chalamet. In October, hundreds of onlookers turned up at Washington Square Park to watch more than a dozen chocolate-haired 20-somethings jostle for the title of