Reiko is the twin son of Tatsu Yamashiro, Katana
, and Maseo Yamashiro
. He was burned to death in their house by Takeo Yamashiro
. This sent his mother on her quest to become a samurai
Reiko was revived by a Black Power Ring
, along with his brother Yuki, and fought Katana, Halo
, and Killer Croc
. He was killed in the fight by Halo who killed him with light.