Emaciated skeletal hunger spirit

Baykok

a gaunt, emaciated figure with skin stretched tightly over its bones

Ghoul

Their skin is often described as pallid and decaying, stretched taut over protruding bones, giving them a gaunt and emaciated look.

Wendigo

The Wendigo is often described as a gaunt, emaciated figure with ashen skin stretched tightly over its bones, towering at heights of up to 15 feet.

Preta

grotesquely disproportionate: a huge, distended belly signaling enormous, unrelieved hunger, set atop a thin, needle-like throat too narrow to pass more than a trace of food or drink