Hanako

She is Ash039s mother. Delia is very caring of her son always reminding him to do his best. She is very talented having won a beauty pageant and cooked a dish so popular that elite chefs at the Indigo Plateau have asked for its recipe. It is not known who is the father of Ash but it isn039t clear that Ash039s parents have separated although she has contacted him at least once since Ash left. She has a Mr. Mime housekeeper who helps her with chores and is also rather adept in battle. In the Japanese version the name of Satoshi039s mother was for a long time unrevealed with her referring to herself as Satoshi no haha or referred as Mamasan although the role was credited as Hanako. The name Hanako and its English counterpart Delia was revealed during the second Pocket Monsters movie. She also is constantly reminding Ash to change his underwear. Source: Wikipedia