Seiichiro Isurugi

Seiichiro Isurugi is the father of Misuzu Isurugi an  one of the secondary characters in Ultraman Ginga. He first appears as an antagonist using the Dark Dummy Spark and Darklived into Ultraman Dark and UltraSeven Dark. After he was free from the darkness' influence, he later uses the Ginga Light Spark to transform into UltraSeven.

The Ginga Spark Stolen
In this episode,Seiichiro meets Alien Nackle and he gave Seiichiro a Dark Dummy Spark plus the Spark Dolls of Ultraman and Ultra Seven. He then ambushes Ginga after Hikaru defeats a previous opponent.

The Jet Black Ultra Brothers
TBA

Former Powers and Abilities

 * Dark Dummy Spark:With the Dark Dummy Spark, Seiichiro can Darklived with various monster or ultra spark dolls.
 * Darklive:Using the Dark Dummy Spark,Seiichiro can Darklived.
 * Telepathy:When Ultra or Dark Lived, Seiichiro can telepathically communicate with someone like Hikaru.
 * Ginga Light Spark:With the Ginga Light Spark,Seiichiro can UltraLive with various Ultra or monster spark dolls.
 * Ultralive:Seiichiro can Ultralive using the Ginga Light Spark.

Trivia

 * Seiichiro is the first user to possess two spark dolls to Darklive.
 * Seiichiro is the first Dark Dummy Spark user to use a Ginga Dummy Spark.