Kei Nagaoka

Kei Nagaoka (K. Nagaoka), creditado como Programador e Programador Chefe.

Aparece nos jogos: Castlevania: Order of Ecclesia, Castlevania: Portrait of Ruin, Castlevania: Curse of Darkness, Castlevania: Dawn of Sorrow, Nano Breaker, DDRMAX Dance Dance Revolution, Dance Dance Revolution: 5th Mix, Dance Dance Revolution: Extra Mix, Dance Dance Revolution: 4th Mix e Dance Dance Revolution 3rd Mix.

Também conhecido como: K. Nagaoka