More info
A recent info about duster limp condition has been posted by twitter user @pnkrathian, the following
tweet talks about it
If u rename Duster as "Lucky" the game will rename his DCMC name as "Gorgeous".
Hes the second fastest member in the main party, only to be passed by Boney. With this stat, he can do certain actions before a battle begins, such as attacking a character first than everyone and make the enemy flip around.
In Super Smash Bros Brawl, he appears as a sticker that you can attach on Lucas or Ness trophy to increase their leg based attacks, In SSBU hes a primary spirit that increase foot based attacks.
Duster early render for EB64 had blonde hair and green clothing like
this image.