Hansel and Gretel is a supporting character on ABC's Once Upon a Time. They are twin children, with Gretel as the eldest and Hansel as the youngest who are coerced into helping Regina retrieve the Poisoned Apple from the Blind Witch's cottage in return, she will find their father for them. However, Regina sends them to the Infinite Forest for their refusing her.
After Regina cast the Dark Curse to punish Snow White and her allies, they become Nicholas and Ava Zimmer, a group of twin children who are orphans taking care of themselves after their mother's supposed death. They are finally reunited with their father during the final days of the Curse.
They are based on the children of the same name from the fairytale Hansel and Gretel.They are portrayed by Quinn Lord and Karley Scott Collins.