Obviously Evil has these relationships to other tropes:

parents kids shares a parent with:
Black And White Morality
Always Chaotic Evil
Devil In Plain Sight
Evil Empire
Evil Is Not Well Lit
Evil Is Stylish
Evil Is Visceral
Good Colors Evil Colors
Kick The Dog
Names To Run Away From Really Fast
Swamps Are Evil
Villainous Fashion Sense
You'll need to Get Known if you want to add or modify these relationships.