I like Cyborg Ninja.　But I don't know my best character .

Well, what can people say? The pool of games for most people is much bigger than yours. So there's good chance those two won't come up in many lists. =P

Also, Miles Edgeworth.

Personally, I'd say the game is a great time, but who knows. It's a game not really talked about... T.T

Magus / Fakeprophet / Janus from Chrono Trigger.

Cloud FF 7
Solid Snake Metal Gear Solid 3
Main Character from Persona 4

Not sure I would be able to pinpoint the "best" character development, as even a great one can be compared to a not-so-great one, if the later's execution turned out to be more pleasant or "organic" than the former, meaning there's plenty of angles to discuss before managing to specifically say why it is. Someone mentioned Squall Leonhart, and as much as I agree with that choice, Squall's evolution is kind of awkward (but to be fair, as awkward as the teenager he is, so it kinda goes in motion) when compared to something like Cecil from FFIV, who has a more lineal, more correlated and pure development given the way the story portraits him. Someone else mentioned Lucas Kane; I'd be inclined to agree but the final act throws his character development out of the window for the sake of a very very convoluted and non-sensical plot twist.

Excluding Squall and Cecil, which I already mentioned (and for the sake of consistency, I'm not going to name characters that you can make up from the ground-up and choose their full action/talk path), here's some characters I personally found they had an amazing development throughout:

James Sunderland

James is portrayed as a simple, common man by the time Silent Hill 2 starts. He's faced with an oddity - his deceased wife sent him a letter wanting to meet him -, and given the circumstances he chooses to go investigate this. He's greeted by a dark, fascinating turmoil on which grotesque femenine creatures try to attack him, hinting toward his repressed sexual fantasies. He's confronted by several humans throughout, and ultimately James always act hypocritical and upmighty around them, as if he were to be a better person. Ultimately, James lies to himself more than a good bunch of times, and when the pile of deception starts crumbling down, James is ultimately faced with his inner demons, and depending on player's imput, he might be able to deal with them or not (the most accepted canonically angle is that he didn't). As the final credits roll, Sunderland realizes the kind of person he's always been, and his adventure throughout Silent Hill changed him forever, for better or worse.

Cpt. Martin Walker

Now, it is hard for me to explain why this person in what it seems a generic-looking third-person shooter with a generic-looking throwaway plot (Spec Ops: The Line) is getting to this list, but that's because the later point - the plot - makes such an interesting and incredible leap forward certain aspects of the deconstruction of military games that I'd feel like a disservice not adding him here. Anyone who has played this game can understand why I'm adding Walker to this list, and if someone wants a small, subtle hint here, sometimes a cleverly-made character development can mean worse, not better.

(most of) The Final Fantasy X cast

I mean, there's certainly more Final Fantasy games where members of the cast experience a full-fledged development throughout the whole adventure, but given the implications of FF X's universe, I think this cast is the one who has to come into terms with one of the worst faith-breaking scenarios; for the most part, they manage to get along just fine, even if they really never manage to fully recover from it afterwards.

Ryo Hazuki

Ryo is, for the most part, a very conflicted japanese student; one that experiences a very tragic event and his only way to cope with it is by looking for revenge towards the man who caused it all. His quest eventually makes him to see the worst part of what society has to offer, meeting along the way a bunch of people and friends that eventually shape his way of thinking. He unadvertedly ends up helping people out of their predicament, and while he still has a long way to go, one can certainly notice just how much he has grown up ever since he left home in pursuit of Lan Di.

Raiden (MGS2)

And here comes who I consider the person that gets one, if not the best character development throughout any videogame: none other than Raiden, the main character in Metal Gear Solid 2: Sons of Liberty.

There's plenty of things why Raiden gets the high spot, and they're mostly on spoiler territory. His evolution works in a very outlandish path, where most of his true self is flourished at the game's final moments. The first time we take control of him, he's just a plain, robotically one-minded person. He professes some rookie love for VR training, he's desensibilized to violence, and he's ready to take care of whatever his FOXHOUND commando wants him to do. He's confronted several times throughout the game to challenge what he seems to know, but ultimately he leaves it all aside to keep on his mission. As an avatar for the player, Raiden IS the player, as they both "play the game" they're supposed to play.

Ultimately, the ties are cut. What seemed to be some annoying, underdeveloped tryhard ended up being a character with a rich backstory (not a happy one, let me tell you that); one that was afraid and terrified of himself, deep inside. Everything he ever stood up or admired crumbled down in front of him. He gets backstabbed by literally everyone. Those final moments he's still being the puppet he's always been, but he choses to cast aside everything and just have some cyberpunk katana duel with the ex-president of the United States of America. And when everything is said and done, he takes his link with the player, and throws it away, becoming himself a character free of control, a real person and not a videogame avatar.

It's just a shame that Metal Gear Solid 4 threw all this away to make some convoluted retcons, but, oh well. There's always Metal Gear Solid 2's brilliant character development to remember.

The only real excuse is most people probably didn't play Xenoblade. 

this is great, I need to play these games

Platina said: This thing Especially how there is almost no character development in Zelda games anyways

skyward sword needs a movie