Because you like Maximus Decimus Meridius in Gladiator

Whether it's a companion he’s failed or lingering guilt from the war, the Doctor can never truly let go of his past lives. See them in Doctor Who.

Tattoos, bad boys, and heroin: Jane Margolis is learning that some vices are more dangerous than others. See them in Breaking Bad.

Quirky teen Carly Shay is the director of her own life story. See them in iCarly.

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.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

Awkward and anxious. It's not easy being Meg Griffin. See them in Family Guy.

Sam Weir lives for the simple things in life: watching Saturday Night Live and reading comic books. See them in Freaks and Geeks.

Driven yet empathetic, Emily Prentiss brings humanity to the pursuit of inhuman killers. See them in Criminal Minds.

Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.

Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.

Paulie Bleeker is shy, sweet, and super into orange tic-tacs. See them in Juno.

A formerly adventurous playboy, Will Traynor has become cynical by what life has thrown at him. See them in Me Before You.