Because you like GLaDOS in Portal Series

More than any of her friends, Fluttershy is willing to see the best in everyone, a trait that has won over many enemies. See them in My Little Pony.

With most of the people that Sango loved now gone, the only thing she wants is to kill the demon who destroyed her village. See them in Inuyasha.

Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.

From secret organizations to alien attacks, Kyon's life has been one weird, unexplainable thing happening after another. See them in The Melancholy of Haruhi Suzumiya.

Tom Haverford is set on being a world-renowned entrepreneur who dates models. Problem is, he's stuck in Indiana with a lazy business partner. See them in Parks and Recreation.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.

It's hard enough for Marta Cabrera to be part of a murder investigation, but when you can't lie? See them in Knives Out.

Rick Sanchez is a gruff, alcoholic mad scientist, with the emphasis on "mad." See them in Rick and Morty.