He is, it's just in danbooru, every servant before Fate/Grand Order got tagged as their classes rather than their true name. Caster Cu Chulainn got tagged as cu_chulainn_(fate/grand order) and adding so will automatically add lancer tag.
Cassava said: He is, it's just in danbooru, every servant before Fate/Grand Order got tagged as their classes rather than their true name. Caster Cu Chulainn got tagged as cu_chulainn_(fate/grand order) and adding so will automatically add lancer tag.
There was discussion to get all the Fate series characters aliased so that they properly reflect their place in the franchise a while ago, around the time Artoria Lancer was unveiled. Once the ungainliness of the resulting character tags was realized, enthusiasm waned.