codecs
To do a codec it is easy with a classic controller or gamecube controller.first you keep pressing the down button on the d-pad to taunt,do not stop.
To do the codec it has to be done at corresponding stages:
Snake-shadow moses island
Wolf-lyat cruise
Fox-corneria
If you need more help, we've got more Super Smash Bros. Brawl cheats and also check out all of the answers for this game