Nintendo held a press conference in Japan and it has been confirmed that Sonic the Hedgehog IS in the upcoming Nintendo Wii fighter Super Smash Bros. Brawl. Video was shown of Sonic rolling up in a ball. This is huge news for Smash Bros fans who have been dying to have Sonic in the mix.. Now it has finally been confirmed.

UPDATED... We finally have a press release...

Press Release:

Nintendo and SEGA today revealed that Sonic, SEGA’s legendary blue hedgehog, will be making his debut in the eagerly anticipated beat ‘em up, Super Smash Bros. Brawl for Wii. This brawling, battling, action packed video game features a varied roster of characters, from Mario to Link to Zero Suite Samus and now players can choose the iconic hedgehog to go into battle with.

Sonic made his first appearance in 1991, appearing in Sonic The Hedgehog for the SEGA MEGADRIVE, and quickly became a well-known household name, securing a dedicated following across the globe. Nintendo’s Super Smash Bros. series has been a firm favourite since the first title launched in 1999 on the Nintendo 64, and since the launch of Super Smash Bros. Melee for Nintendo GameCube, it has since gone on to have millions of fans worldwide.

In the forthcoming Super Smash Bros. Brawl, players will for the first time be able to complete in online multiplayer battles for up to four players. The game will also contain an all-new adventure mode called Super Smash Bros. Brawl: The Subspace Emissary, where players can select their favourite character before embarking on an adventure to conquer giant bosses from the Nintendo Universe. There will also be a variety of stages where players can commence battles, including Delfino Plaza, Yoshi’s Island and Sky World.