Because you like Ronald "Mac" McDonald in It's Always Sunny in Philadelphia

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.

For Kazuya Mishima, the power of the Devil is now his and his alone. See them in Tekken .

As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

Rebecca Bunch struggles with decision making. So much so that she chases her high school boyfriend across the country to win him back. See them in Crazy Ex-Girlfriend.