No.
you cant no way
I have all the characters but can't remember all the ones you can unlock but you can unlock all of them in SSE
There is no black block in SM64DS, it only shows in the file selection, and waluigi is not in the game.
You need either Wario, Peach or Toad to unlock him.
you can only unlock him if you use an action replay. but if you don't then your out of luck.
Their is no cheat to unlock all the characters all at once.Only cheats to get the characters seperatly.
yes there is a code if you enter xbwtl it will unlock all the characters for you.
fropqwr to unlock all characters
Unlock all the characters.
unlock
get naruto six tails kyuubi in awu 3 to unlock all characters