You mean Mr. Game and Watch? Beat Classic or Adventure with Mewtwo.
no
No. Ridley is in Brawl as a trophy and as a boss, but not as a playable character.
Toad is not a playable character in any Smash Bros. game.
All-Star mode is unlocked by unlocking every playable character.
Unfortunately King Dedede is not a playable character in SSBM.
Butthole Bob is not a character in SSBM, nor is he ever mentioned.
Technically yes sheik is a separate character making 26 characters.
play 1000 vs matches to unlock character 25, Mr. Game and Watch. There are no characters after that.
No
No.
No he is not.
You can't get sonic in SSBM only in SSBB and in SSBB you get him at the subspace emissary near the end