If you go special brawl, and then choose MEGA, then use Bowser in brawl, and set items as the good mushroom and the final smash ball, then do this. Bowser is mega for special brawl, then break the final smash ball, then use it and get the mushroom and you will be MEGA GIANT GIGA BOWSER!!! lol. It's super effective!
No, Pichu is not a playable character in Super Smash Bros Brawl
Shadow is not a character in Super Smash Bros Brawl, unfortunately.
Midna is not a playable character in Super Smash Bros Brawl
What character?
No, Jack Skellington is not a playable character in Super Smash Bros. Brawl.
Dark super Sonic is not a character in Super Smash Bros Brawl.
mewtwo is not in super smash bros. brawl however mew is a trophy character
Groudon is in Super Smash Bros. Brawl as a Poke Ballsummon, but not as a playable character.
There is not playable character called Jet in Super Smash Bros Brawl.
Nope. Toad is not a playable character in Super Smash Bros. Brawl. Hope that helps.
No
Mewtwo is not a character in Brawl