A homunculus who wasn’t properly stored and got a speck of dust on them. Just enough that they stopped being a blank slate and started being an individual. After a while they got down off their shelf and went out to explore the world.
They’re still working out how to have a personality.
As you can see, they’re pretty malleable still and their body has the consistency of fresh dough. They will firm up a bit once they take in more life experiences.