Lemme put it this way. There are infinite worlds that each have their own laws of physics, so you can be anything. I played a piece of IKEA furniture that was so incorrectly assembled it achieved sentience.
Madness string 122751
Calyptra, like the planet that occludes the star, or the Doylian dog that fails to bark, can be identified only by its absence. Even the name, I think, must be a mask...