My taunt cancelling tier list: (speedy to basically none, non ultra taunt, not heard characters are grouped by speed of taunt)
falcon
pikachu
ness
Mario
jigglypuff
Dk
Yoshi
Samus (not heard)
Kirby (not heard)
Luigi (not heard)
Fox (not heard)
Link (not heard)
falcon
pikachu
ness
Mario
jigglypuff
Dk
Yoshi
Samus (not heard)
Kirby (not heard)
Luigi (not heard)
Fox (not heard)
Link (not heard)