Look at this page for reference in future if needed.

This page is almost certainly guaranteed to change as I continue the story.

Frisk: Romeo

Chara: Juliet

Gaster: Friar Lawrence

Flowey: Tybalt

Asgore: Capulet

(Not Included): Lady Capulet

Papyrus: Mercutio

Asriel: Benvolio

Toriel: Nurse

(Not Included): Montague

(Not Included): Lady Montague

Nabstablook: Paris

Undyne: Prince Escalus

Alphys: Friar John

Monster Kid: Balthazar

(Not Included): Samson

(Not Included): Gregory

Muffet: Apothecary

BurgerPants: Peter

(Not Included): Abraham

(Not Included): Rosaline