Because you like Jason Bourne in The Bourne Identity

A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.

Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

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

Kenny McCormick is a boy of few words who likes nudie mags, NASCAR, monster trucks, origami, and Peruvian pan flute bands. See them in South Park.

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.

Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.