Greatest Videogame Villains
Writing a halfway decent hero isn't that difficult. Strong facial features, some angst and/or over-arching motivation, and a few quips and BOOM! You've got a pretty good hero. Villains, on the other hand, are much more difficult to make compelling, let alone motivated or, God help you, realistic. Giving a villain a motivation beyond "I'M EEEEEEEEVIL! THAT'S FUCKING WHY!!" is difficult for a number of reasons, but when it works, oh MAN, when it works, you've got an unforgettable character. Here are some characters I can't seem to forget. The list itself contains no spoilers, but the descriptive text does, so fair warning.
You might notice this list lacks a few great characters like Darth Vader or The Joker. There's a reason for that: the first guy is from a movie and the second is from a comic book.