You can't. Best you can do is hack Brawl and alter one of the characters. This is easiest on Brawl Plus.
NOOOOOOOOOOOE you cant :P you cant unlock mr. l in that game either :| or ROY :o that's messed up :|
There are 10 Master Hand Crazy Hand Porky Galleom Rayquaza Ridley Meta-Ridley Duon Duon AGAIN Tabuu
you can't unlock him in super brawl summer you only unlock him in super fall brawl
you can't unlock him in super brawl summer you only unlock him in super fall brawl
You cannot unlock him in jingle brawl, you can only unlock him in super fall brawl
how to unlock skipper in super fall brawl and sheen
If you're thinking of the Sonic Riders character, you cannot unlock him in Brawl.
Dude you can't unlock him
No.
super brawl
You can't. He isn't in brawl (as far as I know.)
The easiest way: have him join you in Brawl.