Mumm-Ra is the ever-living main villain of ThunderCats, the animated series that first aired in 1985, where he draws power from the Ancient Spirits of Evil inside a black pyramid. The Portuguese wording 'o de vida eterna' comes from the Brazilian dub remembered by viewers who grew up with the show on television reruns. Online, the elongated delivery survived as a nostalgic meme clip, shared for dramatic villain entrances and exaggerated claims of immortality, keeping the character recognisable far beyond the original cartoon episodes and their sequel reboots over decades.