A German fairy tale, recorded by the Brothers Grimm and published in 1812, about the siblings named Hansel and Gretel who are threatened by a cannibalistic witch who lives in a house made of cake and bread.
Wiktionary
Hansel-and-gretel Sentence Examples
Nursery rhymes and fairly tales are good choices, especially if both a boy and a girl are the main characters - as in Hansel and Gretel or Jack and Jill.
You can also call yourselves Hansel and Gretel - in which case, be sure to carry either breadcrumbs or gingerbread.
The Brothers Grimm fairy tale Hansel and Gretel popularized the idea of making small houses from gingerbread.