Jackie Seville or Aunt Jackie appeared in The Squeakquel, as the person who originally was supposed to watch the Chipmunks, but she fell down two flights of stairs and had to go to the hospital.
Aunt Jackie is portrayed by Kathryn Joosten.
- Alvin refers to her as "Popcorn Jackie."
- Some fans believed she could be the replacement for Miss Miller.
- In The Squeakquel's end credits, in a photo, she is shown to have healed from her injury and is celebrating Christmas with the Seville family.