Riki LeCotey, also known as Riddle, is a Canadian cosplayer, model and costume designer based in the United States.^[1] She is regarded by some as one of the top cosplayers in North America^[2] or even in the world.^[3]

LeCotey has been cosplaying for over a decade, and was a cosplay judge and special guest at many fan conventions in the US and around the world, including in Dubai, Ireland, Chile, and the UK.^[4] She was a main cast member on both seasons of Syfy channel reality show Heroes of Cosplay in 2013-2014.^[5] She has worked as a specialty costumer on movies such as X-Men: First Class and Captain America: Civil War ,^[6] and was featured in PBA's 2012 documentary Cosplay: Crafting a Secret Identity.^[7][8] She is also the creator of a charity group, Cosplay for a Cause, whose first project raised over $30,000 for the Japanese Red Cross after the 2011 tsunami.^[9]