Susie is one of the two deuteragonists of Deltarune, the Undertale successor by Toby Fox, and the monster Hero of Light named in its prophecy. She is a high school student in Hometown, classmates with Kris, Noelle, Berdly and Catti. She starts the game as a blunt school bully and later becomes the party's axe-wielding tank.

Susie is known for her lavender skin, aubergine hair and scowl, and for having the party's highest max HP and Attack in the Dark World. Her taunt "Heh, scared?" is still the line