Because you like Noah Calhoun in The Notebook

A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.

Kelly Kapoor's interests are office gossip, pink (the color), Pink (the singer), snow cones, the temp Ryan, and "basically, anything that is awesome." See them in The Office.

The last war left his economy devastated, and now Germany is engaged in another war and stuck with two barely trained allies for help. See them in Axis Powers Hetalia.

You couldn't ask for a better, or weirder, daughter like Cassie. See them in Marvel Cinematic Universe.

Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.

Gregor Samsa is an ordinary man in an abnormal predicament. See them in The Metamorphosis.

John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.