Because you like GLaDOS in Portal Series

His nickname of 'Zero' says a lot about what other people think of him, but he's finally standing up for himself. See them in Holes.

With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.

Krusty The Clown somehow makes life sillier and more somber at the same time. See them in The Simpsons.

Stoic, cynical, and brilliant, Solid Snake was genetically engineered to be the perfect soldier. See them in Metal Gear Series.

Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

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

Nicholas Angel is super-dedicated to his job as a police officer. Maybe a little too dedicated. See them in Hot Fuzz.

Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.

Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.

Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.