Because you like Alan Grant in Jurassic Park

James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..

Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.

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

All Catelyn Stark wants is to keep her family safe, but life in Westeros makes it nearly impossible. See them in Game of Thrones.

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.

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

Dazai Osamu's last goal in life would be to commit double suicide with a beautiful woman. Unfortunately, no one he meets seems to share the same interest. See them in Bungou Stray Dogs.

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

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

A former child mayor fallen from grace, Ben Wyatt is still trying to pick up the pieces years later. See them in Parks and Recreation.