No. You cannot get Darkrai in SSBB, even with hacking.
He isn't in there
You can't
You cannot get Darkrai as a playable character nor be in a pokeball in Super Smash Bros Brawl.
It is impossible to get Darkrai in SSBB. He does not make any appearances in the game at any cutscenes, as a character, or even out of a Pokeball. You cannot hack to get Darkrai. How long have you had the game? He is a TROPHY.
Sonic is in SSBB.
rosalina is not a character in ssbb
You can't get tails in SSBB.
he is not a playable character in ssbb
There are no looney tunes characters on SSBB.
no you cant SSBB is only WII
This character doesn't exist in ssbb.
Sorry but no bomberman is not on ssbb that i know of and I have finished the game