Because you like Lt. Commander Data in Star Trek: The Next Generation
Yoda is wise, patient, and capable of kicking ass. He's done his best to mentor young Jedi and protect the balance of Light and Dark. See them in Star Wars Series.
Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.
A no-nonsense hitman with a taste for good burgers and divine justice, Jules Winnfield will go to great lengths to please his boss. See them in Pulp Fiction.
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.
Kevin Khatchadourian is a disturbed, affect-less teen on a dark path. See them in We Need to Talk About Kevin.
He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.
Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.
A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.