Alcathous of Elis Aetolia, and when his brother Callipolis hastened to carry the sad tidings to his father, he found him engaged in offering a sacrifice to Apollo, and thinking it unfit to offer sacrifices at such a moment, he snatched away the wood from the altar. Alcathous imagining this to be an act of deliberate sacrilege, killed his son on the spot with a piece of wood. The acropolis of Megara was called by a name derived from that of Alcathous. Alcathous was grandfather of the hero Ajax, via his daughter Periboea, who married Telamon, and of Iolaus, nephew and charioteer of
Sir Gawain and the Carle of Carlisle day. He is given a token blow and proclaimed the most courageous of all the warriors. A possibly 7th-century Old Welsh poem named "Preideu Annwfyn", the spoils of the Otherworld, contains stanzas alluding to adventures involving Arthur, who is not a king in this poem but a mythological hero. The oblique nature of these allusions are such that the stories must have been well known when "Preideu Annwfyn" was composed. The first such stanza describes the rescue of Gwier from an Otherworld castle. Gwier is equated with another character of Welsh legend, Gwri Wallt Euryn, and the name Gwri may