By Samuel Meade Luke Littler has posted a video of himself aged three attempting to imitate Raymond van Barneveld – a day before he faces the darts legend at the World Dart Championship. The 16-year-old has taken Alexandra Palace by storm on what is his debut at the tournament. He’s already translating his youth form onto the main stage and his next hurdle with the Dutchman, who is 40 years his senior. Littler has shared a clip of him following Van Barneveld’s success in 2007 and he was desperate to play like the veteran. Now he’s being tipped as a potential winner despite being an unknown qua…