Best/favorite video game villain.
If so, I'd easily say Delita from Final Fantasy Tactics. By the end of the first chapter alone, he's been through a hellish personal tragedy and grown heavily disillusioned with the current system of governing in Ivalice. Rather than just quietly go into the night, however, he decides to reform it by clawing his way to the top, and goes to any means necessary. He's willing to backstab his current allies at a moment's notice, and is likewise as willing to ally with his enemies and others (read: Ramza), and does it all in a suave, stylish manner that doesn't make him radiate 'absolutely and utterly evil'.
Not only that, but the player gets to see first-hand that his actions ultimately do have a point, that Ivalice is really in that bad of a need for a change in leadership style. They get to watch as Delita rises from the commoners that the nobles exploit to one of the most important (technically) non-playable characters in the story. They get to see him develop a genuine relationship with the woman he fully admits he was originally only interested in for her position in the royal court. In short, Delita's one of the most human characters in the game, and depending on your viewpoint, one of the most relatable.
Disclaimer: This is an opinion.
Best? I'd have to think on it...I've got one or two ideas but they'd be spoilers.
She destroyed the main character and his team three times throughout the game, didn't lose once AND lived to the end.
Albedo from Xenosaga is a close second.
Alex, because he never loses, he just waltz through all three games manipulated heroes and villains alike while making his true intentions known to absolutely no one. Did I mention he never loses.
Ghetsis, because he seems to be the the Supreme God of Abusive Parents everywhere. He also gets away with being more evil on a game rated E than many other villains do on games with more mature ratings.
Overlord, because you get to play as him and be as evil as you want, beating peasants is fun.
What a bastard!
But, since Ghetsis has already been covered... I'll go and throw Luca Blight's hat into the ring. My GOD was this SOB evil. He was rotten to the core, chopping down men, women, and children who got in his way. He would even have people beg for their lives by acting like pigs, only to cut them down soon afterwards after they had amused him. But even then, despite all the evil he's done, you DO feel a bit sorry for him after learning what made him so mad. I mean, witnessing your mother get assaulted by brigands while your father ran away with his tail between his legs as a young boy WOULD screw you up mentally, I would think. Not only that, he has to live with an ETERNAL REMINDER of that horrific incident what with the existence of his half-sister Jilia, who was conceived as a result of that attack.
To give you an idea as to how bad Luca Blight was, the mission in Suikoden 2 where you finally kill him was only possible because of a secret joint operation with the ENEMY SIDE. He was SO BAD that even THEY did not want him!
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