yes its
http://speedhedgehogs.forumotions.com
its kind of a word game,read some of the battles and you will get the idea
Sonic battle online doesn't exist.
you cant unless you see a game online like that you can only do that with an online emulator of a sonic game. Keep in mind emulators are ilegal.
Yes it does exist, it came out in 1992, its an old sonic game, its 2d. You can play as Sonic, and Tails following you around.
No one as the game does not exist.
No characters from Sonic the Hedgehog not real. It is just a game series, and TV show.
"Kouga" does not exist in the Sonic series and therefore cannot be played in any sonic game.
sonic smash bros brawl
not yet but you can battle mecha sonic in sonic rpg episode 6
If you mean sega with "they" then no.
No.
sonic2online.com :P
Sonic Advance 3 (and the Game Boy Advance as a whole) does not have any online capabilities.