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Mettablook is a melancholic ghost monster and music collector who lives in Waterfall/Sandrise, encountered in the Ruins as the game's first miniboss.



Mettablook's design is that of a simple ghost: A long white body,an eye covered by "hair", and pink-outlined heart eyes.


Mettablook is a very dour individual, with low self-esteem. He is very shy and writes romance stories in his house. Despite being shy, he is very kind and treats Chara like a proper guest when they go to his house.

Ingame prediction

Mettablook blocks the protagonist's way in the Ruins and pretends to be asleep. If the protagonist cheers them up, Mettablook will thank the protagonist for being so friendly and then leave. If fought, Mettablook will admit that they were lowering their HP to be polite and awkwardly leave. They will also admit that you can't kill ghosts.


  • Despite ghosts having no confirmed gender in Undertale, Mettablook is still a male,like Mettaton in Undertale.