In The King of Fighters XII Ash was the character the staff worked on the most, reworking his movements and speech to be more consistent with the rest of the cast.[26] The King of Fighters XIII producer Kei Yamamoto jokingly called him a character players could use to "show off". His EX version in the game makes more multiple hits than his regular form, and the "disgusting" style of his "Génie" (ジェニー) move is said to fit his character. Since his introduction, Ash has acquired new moves in accordance with his action in the series.