You don't. He is already unlocked. Do you mean Marth?
Sonic will appear during the final battle in the Subspace Emissary
In the subspace emissary mode.
Finish the subspace emissary mode.
A boss in the Subspace Emissary (Adventure Mode in Super Smash Bros. Brawl)
SSE is an abbreviation for Subspace Emissary, Super Smash Bros Brawl's adventure mode.
After you beat the subspace emissary, you have to go back to the swamp and there is another door there for you somewhere go to the ruins to obtain wolf, after beating subspace emissary.
anything you wish my son
they increase certain stats on your characters in subspace emissary
Ridley isn't playable in brawl but can be battled in boss battles or the subspace emissary.
you have to beat the levels in subspace emissasary also when you do that it is the EASY way to get characters
Go to Solo, and Subspace Emissary is the biggest square there.
You have to play the Subspace Emissary Mode until you arrive there.