A medieval literary name from Arthurian tradition, best known as the name of Tristan's father.
Meliodas is a name drawn from the deep reservoir of Arthurian legend, appearing in the medieval prose romances as the King of Lyonesse and father of Tristan — the tragic hero whose doomed love for Iseult became one of the defining narratives of European courtly tradition. The name's origins are murky in the way that all Arthurian names are murky: Celtic substrates, Latin overlays, and French literary reprocessing have all left their marks. Some scholars connect it to Brythonic roots, placing it in the same linguistic family as Welsh and Cornish names that survived the Roman and Norman reshapings of Britain.
For nearly five centuries after the great Arthurian compilations, Meliodas existed primarily as a footnote in medieval scholarship — the father remembered dimly in the shadow of his far more famous son. Then in 2012, the Japanese manga *Nanatsu no Taizai* (The Seven Deadly Sins) by Nakaba Suzuki introduced Meliodas as its protagonist: a cheerful, devastatingly powerful warrior captain who embodied the sin of wrath while projecting an almost comic warmth. The manga and its anime adaptation became global phenomena, and suddenly Meliodas was not a footnote but a household name across fan communities from São Paulo to Seoul.
This dual life — medieval Arthurian royalty and beloved shōnen hero — gives the name an unusual cultural richness. Parents today who choose Meliodas are often making a knowing nod to the anime while quietly inheriting a lineage that predates it by seven hundred years. The name sounds ancient because it is, and it sounds current because it very much also is.