Ambiguous tag.
For his appearance as a Berserker-class servant first appearing in Fate/Zero, see Berserker (Fate/Zero).
For his long-haired depiction in flashbacks in Fate/Zero, see Lancelot (Fate/Zero).
For his short-haired depiction as a Saber-class servant in Fate/Grand Order, see Lancelot (Fate/Grand Order).