Reaper is one of the original heroes in Blizzard's team shooter Overwatch, released in 2016, where players trigger short voice lines during matches. His thanks line was recorded as part of that in game communication wheel, letting the character acknowledge healing, help or a play without breaking his grim persona. Clips of Overwatch voice lines later spread through YouTube compilations, streams and soundboards, and this fixed stream version became popular because the isolated word is clean, instantly recognisable to fans, and easy to reuse as a dry reaction outside the game.