Because you like Sam Vimes in Discworld

Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.

Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.

Lazy and cynical‚ Bernard Black is the ultimate curmudgeon. See them in Black Books.

Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.

The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

Riley Blue is trying to outrun her bad luck, but she might not be fast enough. See them in Sense8.

How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

An adventurous dreamer, George Bailey always winds up putting other people's dreams first. See them in It's A Wonderful Life.

Phoebe Caulfield is a wise-beyond-her-years 10-year-old with an empathetic spirit. See them in The Catcher in the Rye.

Beneath Arthur's brash demeanor lurks the heart of a compassionate future king destined to unite the five kingdoms. See them in Merlin.

Caitlin Snow believes that burying herself in science is the best way to save the day or to mend a broken heart. See them in DC Extended Universe.