: Myths vary, with some suggesting she is the spirit of a murdered girl or a woman who died in childbirth, while others view her as a ancestral guardian spirit [7, 21].
: It features artwork and writing from the show's creative team, including Jonathan Tropper and Greg Yaitanes [4, 19, 22].
: Traditionally, she is a female spirit whose piercing wail or "keen" heralds the death of a family member [7, 21].
: Derived from the Old Irish ben síde , meaning "woman of the fairy mound" [6, 9].