Nobody has pinned down where TS1HELLOGG came from — the title reads like a soundboard filename, and no original video or creator is documented. It most likely grew out of gaming culture, where GG is the universal shorthand for a good game at the end of a match. Short voice memes like this spread through soundboard apps and short-video edits, reused as greetings and win reactions. It sits alongside other post-match sounds, from victory stings like Victory! to mission passed chimes like GTA SA Mission Passed, and stays popular because every gamer understands the greeting.