Outer dust has a dark blue trident , wearing a space themed hoodie, able to float in mid air. 
Dust Dust has a black trident with a dark blue hoodie and a creepy smile
Last corridor dust has dark blue hoodie and a red trident. all have dust on them. And they're all overexcited about human expect last Corridor dust. Trying to hunt human for EXP
And they always argues for who can get the exp like children
They're all able to summon bones flames, spears and floating skulls that can shot beam