Why does Ash never remember legendary Pokemon?
Ash may not remember the legendary birds, or any Pokemon in the series for that matter, due to: Plot convenience or plot device. It may be helpful to the writers if Ash is not familiar with certain Pokemon, as this can segue to a scene or exchange of dialogue that may not have made sense otherwise.
Who is Ash Ketchum’s wife?
Ash Ketchum had long since made his dreams of becoming a master come true and settled down in Pallet Town running a Pokemon Gym with Misty, his wife.