- “This Morty is the twin sister of Morty wearing a baseball cap. She can often be seen standing in the background making references to other shows.”
- —In-game Description
Mortabel, also known as Girl Morty, is a portmanteau character of Morty Smith and Mabel Pines from Gravity Falls. She first appeared in Tales From the Citadel, and later in Pocket Mortys and Gravity Falls: Lost Legends.