Omni-Man, also known as Nolan Grayson, is a central character in Invincible, the animated superhero series based on Robert Kirkman's comic and voiced by J. K. Simmons. While he is best known as a powerful and intimidating Viltrumite, brief softer lines like this thank you have become popular on their own because they flip that reputation. Editors share the clip on TikTok, YouTube and Discord as a reaction sound, and its short length makes it easy to drop into memes, streams and gaming highlights without breaking the pace of a video.