| Skeleton Knight<br />[[Sect Ijuin]]<br />'''Rex Goodwin'''
| None
|}
====Downgraded versions====
"[[Stardust Spark Dragon]]", [[Yusei Fudo (manga)|Yusei]]'s Duel Dragon, also has two downgraded "[[Warrior (archetype)|Warrior]]" forms, making it the Duel Dragon with most forms.
{| class="wikitable" style="text-align:center"
! Downgraded form !! Base Duel Dragon !! Owner(s) !! [[Signer Dragon]] counterpart
|-
| [[Stardust Assault Warrior]] || rowspan="2" | [[Stardust Spark Dragon]] || rowspan="2" | '''[[Yusei Fudo (manga)|Yusei Fudo]]''' || rowspan="2" | [[Stardust Warrior]]
|-
| [[Stardust Charge Warrior]]
|}
