"Kek", from "kekeke"/"???", a Korean onomatopoeia of laughter used equally to "LOL", may be the Korean equal on the English "haha". Since this is frequently Employed in StarCraft matches, Blizzard, Starcraft’s developers, made a decision to reference it in World of Warcraft (2004): any time a player of the Horde faction forms "lol" using the /say