The skeleton (from Greek σκελετός, skeletos "dried up") is the body part that forms the supporting structure of an organism. There are two different skeletal types: the exoskeleton, which is the stable outer shell of an organism, and the endoskeleton, which forms the support structure inside the body. There are also two other forms of skeleton referred to, the hydroskeleton and the cytoskeleton. it is unclear whether they're real life or imaginary. their gender is intersex. their alignment is neutral. their handedness is ambidextrous. it is unclear whether they are characters or objects. they first invented in Prehistoric times. it also unclear whether they speak or not. it unclear whether they are humans, animals, fish or birds.
Skeleton(s) on Real Life Villains Wiki
Skeletons on Villains Wiki
Skeletons on Heroes Wiki
Skeleton on Wikipedia