You can unlock Tails, but only as a Trophy.
The only "playable" characters relating to Sonic the Hedgehog in Brawl are Sonic (playable) and Shadow (Assist Trophy).
Please note that this answer is based upon personal knowledge of the subject.
You can't get tails in SSBB.
he is not a playable character in ssbb
No. I've have every character in ssbb, and tails isn't in it. none of the cheats even work. I've tried them all
There are no looney tunes characters on SSBB.
This character doesn't exist in ssbb.
no
no
he's not a character in ssbb so you can't get him
you can only unlock him in ssbb but if you have ssbb heres how to unlock him: beat classic mode 10 times but he does not just join you after you do this after you do this you have to beat him
Leon Scott doesn't exist in ssbb.
You can't, you can only unlock him in SSBB.
no you can not but as a trophy