Because you like Martha Jones in Doctor Who

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

John Bender's interests include marijuana, fighting, and breaking the rules. See them in The Breakfast Club.

Ellie is more world-weary than most 14-year-olds. You would be too if your world was infested with zombies. See them in The Last of Us.

Otis Milburn's mom is a sex therapist, which doesn't help when it comes to being bullied at school. See them in Sex Education.

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.

Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.

Greenpeace? No, this brave eco-terrorist is waging Greenwar. See them in Final Fantasy Series.

If anyone can stay optimistic and friendly under harsh alien rule, it's Alyx Vance. See them in Half-Life 2.

A soulful bass player, Nick O'Leary can't stop sending breakup CDs to his ex. See them in Nick and Norah's Infinite Playlist.

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.