Because you like Link in The Legend of Zelda

Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.

Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.

For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

Newt Scamander is more comfortable with animals than people, even if the animals are super-dangerous magical creatures. See them in Fantastic Beasts and Where To Find Them.

Don't underestimate Maggie Greene. She's a farm girl with a mission. See them in The Walking Dead.

Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.

Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.

Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.