Evil Overlord has these relationships to other tropes:

parents kids shares a parent with:
Big Bad
Emperor Scientist
Galactic Conqueror
President Evil
Sorcerous Overlord
The Generalissimo
parent child
Big BadDiabolical Mastermind
''Arch Enemy
''Man Behind The Man
''Non Action Big Bad
You'll need to Get Known if you want to add or modify these relationships.