Napstabook in Undertale

Napstablook is a character in Undertale. Similar to the player character Frisk, they are addressed by the game’s narration and other characters exclusively with “they/them” pronouns, pointing to an ambiguous gender identity.

LGBTQ References in this game series:

Undertale (2015): Alphys and UndyneFriskMettatonNapstablookRoyal Guard

Deltarune (2018): Alphys’ Computer; Bloxer; Kris; Noelle


  1. Spoilers: Use of pronouns (n.d.). Retrieved from