https://minecraft.fandom.com/wiki/Minecraft_Dungeons:Drowned

Drowned has two variants: the first possesses very dark green skin, has large patches of kelp around its head and shoulders, and wears dark brown tattered clothes. In contrast, the second variant is more paler blue, having pale blue skin and small wounds like patches on its head and legs and wearing chain armor and dark bluish-grey tattered clothes. The pale variant holds the Eternal Knife, while the dark green variant holds the Soul Knife.