Because you like Marshall Eriksen in How I Met Your Mother

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.

A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.

Lady Bird's heart is in the right place, usually, but even the purest of people can fall sway to the havoc-wreaking traps of senior year. See them in Lady Bird.

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

Jean-Baptiste Grenouille may have a phenomenal sense of smell, but he has a weak sense of morality. See them in Perfume: The Story of a Murderer.

An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.

A determined rookie cop , Judy Hopps has her floppy bunny ears to the ground. See them in Zootopia.

Clementine is a beacon of innocence in a dangerous, deadly world. See them in The Walking Dead (Video Game).

Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.

All it takes to change the course of history is the will of a single man called John Price. See them in Call of Duty Series.

Once a lonely hat maker, Sophie Hatter is now cleaning goo from bathtubs and cooking breakfast for the grumpiest wizard in all the land. See them in Howl's Moving Castle.

Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.