The line "Das war ein Befehl" comes from the 2004 film Downfall, in which Bruno Ganz plays Adolf Hitler during the bunker scenes. Long before cat edits, that rant spread online through parody subtitles and reaction memes. Later, creators paired the intense delivery with cat photos, pet videos and exaggerated captions, which turned it into a recognizable German cat meme sound. It still appears because the voice instantly signals melodrama, authority and absurd overreaction in just a few seconds.