Origin of "red-headed stepchild"

[Muad_Dib]

@flight

I believe it originated with the amazingly annoying little red-headed stepchild that was a late addition to the sitcom “Diff’rent Strokes”. I usually hear it in the form, “I’ll beat you like a red-headed stepchild.” If you ever saw the show you would know why.

Beatin like a…