In the unaltered Light Mobius timeline, Abby serves the Guardian family (Knuckles the Echidna, 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 Acorn. 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.
- Abby has not appeared in the altered Light Mobius timeline, so it is unknown whether she exists in that timeline.