Because you like Amy Pond in Doctor Who

Kyle Broflovski is an motional fourth-grader who plays Guitar Hero, speaks Pig Latin, and fights with his "Fat Ass" friend Cartman. See them in South Park.

Beca Mitchell fancies herself an edgy loner, but it turns out being part of a group can be aca-amazing. See them in Pitch Perfect.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.

Unaware of the fact that he's a toy and made of plastic, Buzz Lightyear is a spaceman on a mission fully of snappy catch phrases. See them in Toy Story.

Altair Ibn-La'Ahad is as much a philosopher and detective as he is a killer. He takes nothing at face value and continually searches for deeper truths. See them in Assassin's Creed Series.

Elaine Benes is a tough New Yorker who can hang with the guys, and date the ones who are "sponge-worthy." See them in Seinfeld.

Tidus is upbeat, carefree, and desperate not to become his father. See them in Final Fantasy Series.

A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.

Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.

Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.

Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.