Carl the NPC is circulated online as a text-to-speech voice rather than a character from a single game or show, and listeners usually find it through voice generator searches and soundboard clips. The gun line became its most recognisable moment because it pairs a mundane video game problem with an over-the-top demand, making it easy to reuse across unrelated edits. It has stayed popular with gaming creators who want a quick, instantly understood reaction sound that does not need context to land.