Galahad
One of King Arthur's Knights of the Round Table, though he joined the legendary order later than most. Galahad is best known for his role in the quest for the Holy Grail—a quest that ultimately defined his entire legacy.
He's the son of Lancelot, though their relationship was complicated. While Galahad looked up to his father as a kid, the two never really bonded as adults. Despite this, Galahad earned a reputation as the ideal knight, the promising young heir who would carry the Round Table into its next era. Fans and scholars often describe him as a saint—literally the only knight pure enough to actually obtain the Holy Grail, which he then returned to the heavens.
Notes:
Lancelot has remarked that Mash Kyrielight styles her hair similarly to how he does. During Mash's penultimate Saint Graph Ascension, Bedivere notes that her appearance becomes strikingly similar to Galahad's.
Content compiled by AnimeList.moe from publicly available sources.