Bahah. Me too!
I liiike:
–Sora [KH]
–Axel [KH2]
–Roxas [KH2]
–Riku [KH]
–The cute little guy you get to play in Harvest Moon Save the Homeland. XD
I’ve been pretty video game-deprived as a child. T__T
I have added a couple more characters to my list. They are named Alph, Theo, Leon, Cecile, and Lucia from the DS game Luminous Arc.
Lemme see here…I don’t have a favorite. I have favorites, though!
Megaman
Link
Zelda
Pac-Man
Mario
Donkey Kong
Bowser
Yoshi
Kirby
Roxas
Sora
Cloud
Vincent
Barrett
Master Chief
Altair
Kefka
Zidane
Garnet
Amarant
Steiner
Seifer
Chrono
Magus
Serge
Kid
And millions of others. I don’t have the time to say where each character is from, so you’ll have to guess. 
Hehe. I know where 15 of those characters are from JF! XD
JF: I was able to recognize some of them on your list dude, but not all of them.
LUIGI, the man in Mario’s shadow, that Negative Zone is bomb, Luigi has always been #1 for me, i choose him as my character in every Mario game. I even have the Luigi’s Mansion action figure and Mario Kart 64 action figure and two plush toys of him and a key chain plus the games that have him.
Luigi’s Negative Zone is indeed a really effective Final Smash, only on a small course. BUt yeah, he is a totally adorable character.