Looking for Inspiration

Hello guys i need ideas for make future polls, for example: a group of 4 character that share some characteristics, topic, culture, franchise or personality, like: milf, goth, yandere, Pokemon franchise, Halloween etc...

If you want to help write your ideas bellow, (Topic and 4 Characters)

Example:

Topic: Redheads. Characters: Rias Gregory, Frankie, Wendy, Ariel.

Topic: Naruto. Characters:  Sakura, Hinata, Tsunade, Anko.

I Also acept ideas for thematics in Request contest .