Nariaki Utsumi

He Is The A Main Character And A Former Antagonist In Kamen Rider Build.Who Works As A Engineer In Namba Heavy Industries He Is The Right Hand Of The Late Juzaburo Namba He Formerly Works For hero.fandom.com/wiki/Gentoku_Himuro And Later Became The Servant Of Evolt And Transformed As Kamen Rider Mad Rogue To Have Enough Strength To Avenge His Mentor And Save The Company