Quick answer — Hiromi Nishikawa voices Gyorai Gaaru in Bobobo-bo Bo-bobo, Yuko Inada in Angelic Layer.
Hiromi Nishikawa voices Gyorai Gaaru (Bobobo-bo Bo-bobo), Yuko Inada (Angelic Layer).
Gyorai Gaaru is voiced in Japanese by Hiromi Nishikawa.