Because you like Arnold in Hey Arnold!

Though a painful tragedy leaves her closed off and distant, Rosalina is still an endlessly kind princess. See them in Super Mario Galaxy .

Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.

April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.

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

A house elf, Dobby is loyal, compassionate, and yearning for freedom. See them in Harry Potter Series.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.

A bureaucrat in the Land of the Dead, Manuel Calavera is a jaded, sarcastic loner who just might have a hidden heroic side. See them in Grim Fandango.

Whether it's a fire or a pit of lions, there's almost no predicament that Violet Baudelaire can't get her and her siblings out of. See them in Lemony Snicket's A Series of Unfortunate Events.

Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.

Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.

Queenie Goldstein is beautiful, kind, and probably currently reading your mind. See them in Fantastic Beasts and Where To Find Them.