"Kek", from "kekeke"/"???", a Korean onomatopoeia of laughter applied likewise to "LOL", is the Korean equivalent of your English "haha". Due to the fact this is often Utilized in StarCraft matches, Blizzard, Starcraft’s developers, made a decision to reference it in World of Warcraft (2004): every time a player with the Horde faction kinds "lol"