Grouch Man

A grouch man is a fictional man that checks the category of messy, slut, twink, small, occasionally tall, looks like he hasn't slept in 9 months, mostly evil, commonly mean, very regularly depicted by their black, white, or dark coloured hair.

EX;
Yakov (Guilty Parade)
Nagito (Danganronpa 2)
Rei Suwa (Buddy Daddies)
Hiyori Sou (Your Turn to Die)
Keith (Voltron)
Wolfwood (Trigun/Every variant)

If you want to be really out there, grouch men could include;
Shadow The Hedgehog
Eyeless Jack (Creepypasta)
Ben Drowned (Creepypasta)

Omg, he is such a grouch man.