Because you like Joe Swanson in Family Guy

A fearless scientist, Jane won't let a mere shipwreck stop her. See them in Tarzan.

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.

Dominic Toretto lives his life "a quarter mile at a time", and he burns through those miles faster than anyone. See them in The Fast and the Furious.

Margo loves mysteries so much that she becomes one. See them in Paper Towns.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Years of being a social outcast have taken a toll, but Elphaba is willing to be wicked if it means she can do good. See them in Wicked .

Smart, sarcastic, and loyal, Stiles Stilinski doesn't just want to be the sidekick in someone else's life. See them in Teen Wolf.

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.

Charming and confident, Gus Waters is determined to leave a lasting mark on the world. See them in The Fault in Our Stars.