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==Members==
{| class="wikitablesortable"
! Monster
! [[Signer]]
|-
| [[Stardust Dragon]]
==Variations==
Reflecting the rivalry between the two main characters [[Yusei Fudo]] and [[Jack Atlas]], "[[Stardust Dragon]]" and "[[Red Dragon Archfiend]]" are the only "Signer Dragons" to have different upgraded versions. It is worth noting, however, that "[[Life Stream Dragon]]" has its downgraded, armored version, "[[Power Tool Dragon]]", which is a required [[Synchro Material]] Monster for its Summon.
===/Assault Mode===
"[[Stardust Dragon]]" and "[[Red Dragon Archfiend]]" have their own [[:/Assault Mode]]s: "[[Stardust Dragon/Assault Mode]]" and "[[Red Dragon Archfiend/Assault Mode]]" having 500 more [[ATK]] and [[DEF]], two more [[Level]]s and an "upgraded" effect of the original monsters. Both of these monsters were Summoned by [[Yusei Fudo|Yusei]] and [[Jack Atlas|Jack]] in a [[Evolving Duel! Stardust VS Red Demons|special episode]].
{| class="wikitablesortable"
! Monster
! [[Signer]]
|-
| [[Stardust Dragon/Assault Mode]]
There are 2 "Majestic" forms; "[[Majestic Star Dragon]]" and "[[Majestic Red Dragon]]", which were used in the anime by [[Yusei Fudo]] and [[Jack Atlas]], respectively.
{| class="wikitablesortable"
! Monster
! [[Signer]]
|-
| [[Majestic Star Dragon]]
"[[Stardust Dragon]]" is the only Signer Dragon with a "[[Malefic]]" form; "[[Malefic Stardust Dragon]]". This card was used in [[Yu-Gi-Oh! 3D Bonds Beyond Time|The Tenth Anniversary Movie]] by [[Paradox]]. It has released in both the [[TCG]] and the [[OCG]]. It is highly unlikely that "[[Red Dragon Archfiend]]" will receive a "[[Malefic]]" form due to "Stardust Dragon" being the only monster card that Paradox stole from the 5D's timeframe.
{| class="wikitablesortable"
! Monster
! User
The [[Cosmic Synchro Monster]]s are upgraded forms of "[[Stardust Dragon]]" and "[[Red Dragon Archfiend]]". They are not [[Synchro Summon]]ed in the usual method. The opening theme [[BELIEVE IN NEXUS]] originally confirmed the existence of what was later revealed to be the [[Accel Synchro Monster|Accel Synchro]] counterpart/evolution of "[[Stardust Dragon]]." Stardust's counterpart ("[[Shooting Star Dragon]]") is the only Accel Synchro evolution of a Signer Dragon. Although Jack's new ace monster "[[Red Nova Dragon]]" ("[[Red Dragon Archfiend]]'s" counterpart/evolution) is not an Accel Synchro, it uses a method called "[[Double Tuning]]" to achieve its evolution and is in the same power range as "Shooting Star". Both monsters were released in [[Starstrike Blast]]. Their [[ATK]] seems to be their original counterparts' [[Majestics]] forms' ATK - 500 (Majestic Star Dragon's ATK: 3800 - 500 = 3300 (Shooting Star Dragon's ATK)) (Majestic Red Dragon's ATK: 4000 - 500 = 3500 (Red Nova Dragon's ATK)). Also their [[DEF]] is equal to the ATK of their original forms.
{| class="wikitablesortable"
! Monster
! [[Signer]]
|-
| [[Shooting Star Dragon]]
{| class="wikitable"
! Monster
! [[Signer]]
|-
| [[Shooting Quasar Dragon]]
{| class="wikitable"
! Monster
! [[Signer]]
|-
| [[Power Tool Dragon]]
===Members===
{| class="wikitablesortable"
! Monster
! [[Signer]]
|-
| [[Stardust Spark Dragon]]
===Variations===
{| class="wikitablesortable"
! Monster
! [[Signer]]
|-
| [[Stardust Chronicle Spark Dragon]]
