Sally is a member of the Hyooman tribe first seen in the episode "Dark Purple." She is mute, and seems to communicate with a form of sign language. In "The Music Hole," Sally is seen performing as a backup dancer for Susan's song.
Sally wears a yellow-orange mouse hat, with dark brown artificial hair. Her clothes are green and torn.
- Unlike most other Hyoomans, Sally does not speak verbally, and instead communicates in sign language.
- Sally appears to be good friends with Susan Strong and Celina.
- It is unknown if Sally is a Human or Hyooman at this point in time.
- Sally signs "Bad Dog" in American Sign Language in reference to the Super Porp monster.