Because you like Sideshow Bob in The Simpsons

As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..

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

Pepper Potts can run a company, manage an egomaniac, and take down bad guys, all without breaking a sweat. See them in Marvel Cinematic Universe.

Courteous, dangerous, and powerful, Kaname Kuran controls an entire court of vampires. Very, very pretty vampires. See them in Vampire Knight.

A kind and funny valedictorian, Gwen Stacy likes to make out with Spider-man when her homework's done. See them in Marvel Cinematic Universe.

A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars Series.

A superpowered test subject, Scarlet Witch can manipulate other people's thoughts and force them to confront their worst fears. See them in Marvel Cinematic Universe.

A good guy who's made some bad choices, Scott Lang is driven in his quest for redemption. See them in Marvel Cinematic Universe.

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.

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