"Kek", from "kekeke"/"ㅋㅋㅋ", a Korean onomatopoeia of laughter applied similarly to "LOL", will be the Korean equivalent of your English "haha". Considering that this is usually Employed in StarCraft matches, Blizzard, Starcraft's builders, decided to reference it in Wow (2004): when a participant in the Horde faction forms "lol" using https://whitneyl912gfb1.wikibyby.com/user