Because you like Twilight Sparkle in My Little Pony

Gou Matsuoka offers to help as manager of a swim team, believing that they're the only ones who can help her brother. See them in Free! Iwatobi Swim Club.

What Mako Mankanshoku lacks in common sense, she makes up for in sheer optimism and force of personality. See them in Kill la Kill.

Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.

Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.

Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.

Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.

Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.

While his twin tries to save lives, Millions Knives does the best to end them. See them in Trigun.

Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.