Black Widow: Birdie has married five times. All her marriages have ended in the husband's death. Every death is discovered to be a murder.
Grande Dame: What Birdie appears to be on the surface.
Villainous Incest: Birdie and her nephew Chet are very close. So close in fact that he was her accomplice in some of her husbands' murders. Downplayed since she is an Honorary Aunt and the two are not biologically related.
