Abby is a Mobian koala who works as a housemaid 25 years into the future.
In Light Mobius, Abby serves the Guardian family (Knuckles, Julie-Su and Lara-Su) and is responsible for maintaining the household. She seems to have a strong dislike for King Sonic's son Manik. She listened in on a conversation between Julie-Su, her sister Lien-Da, and Queen Sally, offering her own occasional comments. She also helped welcome the royal family upon their arrival, earning a scolding from Julie-Su for her opinion of Manik. (StH: #136, #137)
- Abby has not appeared in the alternate Mobius: X Years Later story, so it is unknown whether she exists in that timeline.