Hera
Hera is the wife of Zeus. Before that she was more widely appreciated as another version of the seasonal goddess. After the royal wedding, Zeus was frequently unfaithful to her. She in turn developed a reputation for seeking vengeance against her husband’s lovers, often cursing, killing, or transforming them into various animals. Madeline exhibits a similar distaste for her ex-husband’s new wife Bonnie. This along with her devious machinations drama makes her an obvious match for Lady Hera.