| Mordred | | - | Welsh Mythology, Arthurian Romance | |
| Morgaine | | - | Arthurian Romance | |
| Morgan (2) | | - | Arthurian Romance | |
| Morgen | | - | Arthurian Romance | |
| Nimue | | NIM-oo-ay | Arthurian Romance | |
| Owain | | O-wien (Welsh, Welsh Mythology) | Welsh, Welsh Mythology, Arthurian Romance | |
| Perceval | | - | Arthurian Romance | |
| Percival | | PUR-si-vəl (English) | Arthurian Romance, English | |
| Peredur | | pe-RE-deer (Welsh Mythology) | Welsh Mythology, Arthurian Romance | |
| Taliesin | | tal-ee-ES-in (Welsh) | Welsh, Arthurian Romance | |
| Tristan | | TRIS-tən (English), trees-TAWN (French) | Welsh, English, French, Arthurian Romance | |
| Urien | | - | Welsh, Welsh Mythology, Arthurian Romance | |
| Uther | | - | Welsh Mythology, Arthurian Romance | |
| Uthyr | | - | Welsh Mythology, Arthurian Romance | |
| Walganus | | - | Arthurian Romance | |