Because you like Arnold in Hey Arnold!

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.

Kate Beckett is a no-nonsense policewoman with a nerdy side. See them in Castle.

Introverted Kira Yukimura is sweet, bubbly, and eager to make friends. See them in Teen Wolf.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.

Though bold and pure of heart, Utena Tenjou has a fairytale vision of the world that can make her oblivious to its darkness. See them in Revolutionary Girl Utena.

Velma Dinkley is all about getting results, not taking credit. She is the unsung hero of Mystery Inc. See them in Scooby-Doo.

Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.

Will Byers is just like any other twelve year old, except he's stuck in another dimension. See them in Stranger Things.

Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).

Rapunzel's dreams might be even bigger than her hair. See them in Tangled.

Patrick Verona is a bad boy who's after a tough girl. See them in 10 Things I Hate About You.