hyde (fate)
The secondary personality of Jekyll and Hyde that manifests after Henry Jekyll uses his Noble Phantasm Dangerous Game.
In Fate/Prototype: Fragments of Blue and Silver, the transformation results in him appearing as a werewolf-like creature. After being corrupted by the Holy Grail, he becomes the dominant personality and can temporarily maintain a human form for only an hour at a time.
In Fate/Grand Order, the transformation keeps in a human form, but he switches his class from Assassin to Berserker.
