Dear Fellow Authors... What is the most outrageous Nemesis you've given your protagonist in a story?

[CharlesEBrown]

Big booty girls.

In the first issue of Young Justice, the late Peter David (and the art team he worked with) teased what may be the ultimate example of this - The Mighty Endowed.
Superboy was crushed (and not the way he WANTED to be) when she was too top-heavy to fight them...