The homunculus is a pet in the Korean MMORPG "Ragnarok Online," which is based on a manhwa also called Ragnarok. The Korean Ragnarok takes influence from Norse mythology, but the homunculus is not Norse.
Homunculi in "Ragnarok Online" are only available as pets to players in the Alchemist class who have completed the Bioethics Quest. Homunculi come in four visually distinct forms: Vanilmirth, Filir, Lif and Amistr. In different fictions, such as "Full Metal Alchemist," homunculi are linked with or created through alchemy. In "Ragnarok Online," players obtain a homunculus by an embryo and raising it. The word "homunculus" means "little man" in Latin.