Good: GLaDOS (so awesomely sarcastic, and evil); Ganondork; All RE4 bosses; That Evil Scientist from TimeShift.

Bad: Dark Messiah's last boss (too goddamn easy); All Iron Man bosses (besides, the whole game was pissy easy, eye hurting, and overall crappy).

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Spartan Bannana:
Bad: 343 Guilty Spark, boss fight was way too easy and he wasn't that interesting as a character.

Of course he wasn't, he was a light bulb.

I read the books and didn't know he was in the third game. Wonderful.

I really can't believe no one's said this yet, but the Joker! C'mon! Greatest supervillian of all time right there!

For bad, I'd say any James Bond villian. Not only do they have the most elaborate schemes to kill you, rather than say, pump you full of lead, they give you 20 minutes to get out. I'm sorry, but unless you're intent is to kill the hero, rather than bore him to death, you're not a villian.

Zombie_King:
I really can't believe no one's said this yet, but the Joker! C'mon! Greatest supervillian of all time right there!

this is mainly a game thread, and the Joker has never been properly done in a game, except maybe in the original NES batman.

And honestly, the joker has been overhyped way way way way way too much lately.

*Cue boss fight with him coming back.*
"AND NOW HE'S DEAD."

If you could charm/intimidate well enough, you could actually convince him to shoot himself in the face. Was most satisfying the first time I did it.

Wesker from Resident Evil. In Code Veronica he gets even more twisted when he shows up and leaves Chris to fight Veronica herself.

Best --> Psycho Mantis (easy but an awesome fight)
middle ---> Flying Fox (Heavenly Sword [Hilarious and difficult])

worst ----> Condemned 2: Bloodshot final boss, can't think of his name, but seriously wtf was that?!? Yahtzee really wasn't kidding.

Good: The Boss, Ultimecia, Majora, Alexia Veronica Ashford
Bad: Volgin, Cloud of Darkness, Vaati, Morpheus D Duvall

Good

Ridley : is so awesome that he / she (?) has to appear in every good Metroid game. That beast looks so damn scary ! I love it hat Ridly got a lot of screen time in Super, Prime 1 & 3 to praise his coolness.

Black Viper in Contra 4 : killing one gigantic mantis like monster alien thing made of human corpses is one thing, but even fighting inside its body to blow its eyes and brain off makes it epic.

Diablo : is made of evil.

Bad

Tobias Bruckner : looks like shit, his voice sounds like shit, fighting him was shit and he is in one of the worst shit games I can imagine (Turok Evolution).

Good
-Saavedro (Myst 3): you kind of feel sorry for the guy. His rage may be misplaced but his actions seem almost justified.

-Alma (F.E.A.R.): another tragic character. Once you find out her story you're almost rooting for her.

-Revolver Ocelot (Metal Gear Solid series): say what you will about the writing, but Ocelot's charisma and double agent work made for some interesting characterization. Also, the battles with him him in Metal Gear Solid and Metal Gear Solid 3 were among my favorite boss battles.

Bad
-Bowser (Super Mario Bros): a villain in desperate need of motivation, backstory, and an original plan that doesn't involve kidnapping a princess who is even more one dimensional than he is. I guess maybe I shouldn't be so harsh, after all the Mario games aren't exactly deep, but when you consider that Bowser hasn't evolved as a character at all in his 23 year history, something's wrong.

-Umbrella (Resident Evil): I don't think I need to go into detail here. They're just the "evil for evil's sake" villains with absolutely no originality. Every member of the company you meet is a mustache twirling ball of cheese.

-The Boss (Metal Gear Solid 3): I hated her from the moment she first spoke, and not in a good way. She does nothing but wax poetic in a very unconvincing manner. If she wasn't kicking Snake's ass every five minutes I would never believe she was really a soldier. It all ends with a generic boss fight and a lengthy cutscene meant to elicit sympathy. It may have worked for some gamers, but not for me. As far as I'm concerned the Boss is chewing scenery in hell.

team aqua from pokemon shaphire. they weren't trying to be villians. they were trying to make the wourld a better place in crimanal ways

Best: The big plant thing from Mass Effect, the fight sucked donkey balls but the creature rocked.

Crazy Hand, because he's CRAAAAAZZZZYYYYYY!!!!!

Nergal from the first western Fire Emblem, he scared the shit out of me when he tore off that turban thing.

Worst: I tend not to remember the bad ones.

Amnestic:

*Cue boss fight with him coming back.*
"AND NOW HE'S DEAD."

If you could charm/intimidate well enough, you could actually convince him to shoot himself in the face. Was most satisfying the first time I did it.

I'm assuming you mean Saren?
I thought that he always shot himself. I didn't know that it was a bonus for using charm?

Good boss: Atlas.
Bad boss: Bowser.

Best: GLaDOS, Sander Cohen, Gman

Good: Andrew Ryans, Atlas/Frank Fontaine,

Bad: Can't think of any...

Good: I liked King Bohan a lot, but that may just be because he was so insanely well done, written and acted. I still love to hate that bastard Irenicus from BGII, even though the actual fight was way way way too easy. And lastly, the final boss and subsequent revelation (no spoilers) in The Witcher blew me right away. Lovely.

Bad ones: Al-Mualim from Assasins Creed - in his FIRST appeareance, both me and my GF simultaneounsly exclaimed "He will turn out to be the main villain!"
(BTW, I hope I NEVER EVER EVER again encounter a game that apologizes for its existence as profusely as Assassins Creed. Starting with "This game was developed by a multi-cultural team with different religious beliefs", continuing with "It's OK, you don't REALLY play as an arab, you are his American descendant remembering his life, and also, that guy you don't really play as, he was NOT a moslem, and in fact was only HALF arab, so you are allowed to sympathize with him and hopefully we won't offend anyone" and finally make EVERY SINGLE TARGET have a cutscene where they do something really heinous and/or nefarious so you'll feel killing them is justified. In a game named "ASSASSINs creed". Seems Ubisoft have some real bad bosses as well.)

OverlordSteve:
Good: GLaDOS from Portal, she creeps me out throughout the entire game, and then just gets so sadistic at the end, then she sings a song in the end credits? I was never able to predict what she would do next.

Bad: Saren from Mass Effect. It was all so typical Sci-Fi crap with him:
"HE'S THE BADDIE BUT THEY WON'T BELIEVE US, :C"
*Cue mentor character's prior history with bad guy*
*Cue Galaxy-wide chase.*
"OH LAWD, HE'S NOT THE REAL BADDIE."
*Cue evil plot for Genocide.*
"HE'S BEING MIND CONTROLLED? OH TEH NOES."
*Cue boss fight with him coming back.*
"AND NOW HE'S DEAD."

So true, Saren was probably the most unlikeable villian that I ever saw.
The Reapers were interesting bad guys though.

Oh oh oh oh oh oh! I just remembered how hard I laughed at Dr. Nefarious. Best comical villain ever. Looks like he will be making a comeback as well - fingers crossed!

mspencer82:

-Bowser (Super Mario Bros): a villain in desperate need of motivation, backstory, and an original plan that doesn't involve kidnapping a princess who is even more one dimensional than he is. I guess maybe I shouldn't be so harsh, after all the Mario games aren't exactly deep, but when you consider that Bowser hasn't evolved as a character at all in his 23 year history, something's wrong.

Bowser is full of mysterious backstory. For example: Why does he now only have one infant when he used to have 8 pre-teens, did he eat them? Or did they go off on their own to create their own princess kidnapping mayhem? We may never know...

For Good, I'm going with one in Apollo Justice, Ace Attorney: Spoilers for the last case.

Another good, and despite the heat i'll take for this .. Sephiroth. The villian you face in FF7 isn't the Sephiroth of Shinra. He's something else entirely, and very little remains of the man that everyone associates the name with, if you want to use the term "man" at all. A bright, powerful soldier who had the charisma, cool, and intelligence to climb the ranks and be a hero who was brought down when seeds of doubt (planted by Genesis Rhapsodos in Nibelheim) began to sprout and grow wildly once he read the reports of Professor Gast. Gast was wrong about his analysis of jenova, but being a man Sephiroth admired, his word was taken as the truth and that is what sent Sephiroth over the edge into a sea of maddness. That kind of stuff is fascinating to me, especially once you've gone through it enough to understand just what the hell happened.

/geek

As for the worst, in what I've gone through .. Ultimecia in FF8. Uhhh, just WHY did you want Time Compression (a ridulous concept in and of itself .. pretty sure the scenario team phoned it in at the eleventh hour, on that one) and ... what's with the speech impediment? Cool lady and everything, but ... whaaaaaaat the hell. Yeah, not cool.

Glukkons in Oddworld (PS1, haven't played the later ones). The sligs were pretty badass, but the glukkons whole strategy of enslavement, mass slaughter, etc just to make money is pretty sick.

i love fontain and the rivalry with him and andrew them both if you had all of the journals played out into an epic ending i was in shock after andrew died and all was revield

Good Arthas: the whole human and undead campaigns were great storyline-wise for developing his badassedness.

Meh Ganondorf: As awesome as he is in Twilight Princess, somehow being stabbed to death for the umpteenth time hasn't hindered his career for triforce grubbing.

BAD The sorceress chick from Gladius.

Lvl 64 Klutz:

mspencer82:

-Bowser (Super Mario Bros): a villain in desperate need of motivation, backstory, and an original plan that doesn't involve kidnapping a princess who is even more one dimensional than he is. I guess maybe I shouldn't be so harsh, after all the Mario games aren't exactly deep, but when you consider that Bowser hasn't evolved as a character at all in his 23 year history, something's wrong.

Bowser is full of mysterious backstory. For example: Why does he now only have one infant when he used to have 8 pre-teens, did he eat them? Or did they go off on their own to create their own princess kidnapping mayhem? We may never know...

I think the only one who actually evolve in the Mario Universe is luigi. He used to be Mario's clone, then a smart guy, then a guy who piss in his pants. You have to admit it.

The Good: Kefka from FF6. I don't know why I like this guy so much, he's not really much more than the generic "I'm gonna destroy the world, because I can!" type of villain. There's just something about him I really liked. Maybe it's just because he was bat**** insane.
I also like Saren, he's one of the few bad guys that actually gets some decent development.

The Bad: Darth Malak from KOTOR. Don't get me wrong, I loved that game to bits. But I hated him. You can just tell the developers were trying to make him like Vader. The robotic voice, the lines, but it all just made him seem more forced. "Your predecesor once made the mistake of questioning my orders, Admiral. Surely you are not so foolish as to make the same mistake?" Ugh, I just hate that line. The only time I kind of liked him was in the big twist, but otherwise, no. Honourable mentions are the Prophet of Truth and any RPG character who was once an ally, becomes an enemy, then becomes your ally again.

Good: Sadler RE4(not sure if I spelled that correctly), Exciting, and tough my first time fighting him.

Bad: Death Persona 3, He had a ton of health and that damn reflect shield.

mspencer82:
Good
-Saavedro (Myst 3): you kind of feel sorry for the guy. His rage may be misplaced but his actions seem almost justified.

That guy scared me, especially in those sequences where he tries to kill you if you do something wrong, like simply being near him. I did feel sorry for him in the end, though.

Good: Darth Nihilius. He eats planets. That is all.

HK-47(?) and GLaDoS. Robots/AIs with sarcasm and the love of seeing things killed are the perfect ingredients of a great villian.

Atlas/Fontaine tied with Master Sun Li (Jade Empire)-Both characters betrayed me so unexpectly and efficiently that it took me a while afterward to realize what the hell just happened.

Bad: Salazar. He doesn't ever do ANYTHING worth a flying shit. He just monologues and monologues and hides behind his much more awesome bodyguards. Pretty much every other villain in RE4 is cool, except him. I'll admit, when you finally do get to fight him it is hard, but I'll remember how long it was to get to that point.

liquidious-fleshbag:
Atlas/Fontaine tied with Master Sun Li (Jade Empire)-Both characters betrayed me so unexpectly and efficiently that it took me a while afterward to realize what the hell just happened.

Master Li was a good villain, but the end fight was not so hot. The glorious master of strategy and every martial technique ever has absolutely NO defense/offense whatsoever against "Jade Golem", so turn into one and trample that old piece of snot into oblivion while laughing at his futile attempts to take even one hitpoint from you...:P

Good: Shaft from Castlevania: Symphony of the Night - Posessing the hero of the previous games and tricking the player into the false ending? Pretty damn crafty.

Bad: Albert Wesker. Just too freaking annoying to be anything like a threat.

The Good:
Fontaine
GLaDOS (Can someone tell me if that stands for anything, if so what?)
Ganondorf
Dr Steinman. Okay not a main boss but come on!:
"What's this!? An intruder! He is UGLY! UGLY! UUUUUUUGGGLLLLLLYYY!!!!
Also Sander Cohen
Glukkons (and Sligs)
"We'll get that Abe guy! If my name ain't! Uh... duh"
"That's Drippick sir"
"DRIPPICK! I knew that", Stupid, but evil and funny.

GlaDOS = Genetic Lifeform and Disk Operating System. It's written on one of the whiteboards that Chell can see through the window.

Kefka, because he is not evil or insane, he is both separately, and he is a villain who would do anything at all to win.

Bad: General RAAM. He's just a stock alien badguy

Oh boy oh boy, I really liked Desann. He just looked so cool, and had a cool voice.

Also that game has a great twist, but thinking about it, the twist does lessen him as a villain somewhat? Anyone else who's played JK2JO agree?

Also if there's a greatest heroes, I wanna vote Kyle.

Prozoquel:
Good: Giygas from Earthbound. The quitessential insane, unexplainable villain with a serious case of bipolar disorder.

No matter how hard I tried, I could not possibly agree more.