Because you like Dr. Gordon Freeman in Half-Life

Molly Weasley runs a household teeming with magic: gnomes run around the garden, dishes wash themselves, and noisy ghouls rule the attic. See them in Harry Potter Series.

Claire Temple is a dedicated nurse providing secret care to New York's vigilantes. See them in Marvel Cinematic Universe.

Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.

After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.

Winnie the Pooh is a chubby little cubby all stuffed with fluff. See them in Winnie the Pooh.

Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.

Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.

Eric Forman's interests include smoking weed, collecting Luke Skywalker memorabilia, eating Fatso burgers, and making his dad mad. See them in That '70s Show.

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

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.