Just to complete Valorum's answer

In [Superman v1 #335][1] (1979) we can find [Miss Bgbznz][2]

>[![Mxyzptlk's wedding][3]][3]<br>
> <sub><Sup>[**Superman v1 #335** (1979)][1]</sub></Sup>

Close-up

[![Miss Bgbznz close-up][4]][4]

Her more-human-like form was a trick for luring Mxyzptlk. According to her profile they got divorced later.

  [1]: https://dc.fandom.com/wiki/Superman_Vol_1_335
  [2]: https://dc.fandom.com/wiki/Miss_Bgbznz_(Earth-One)
  [3]: https://i.sstatic.net/UEfrr.png
  [4]: https://i.sstatic.net/wEmzIm.jpg