Himeko Midori (緑川姫子, Midorikawa Himeko) is a character appearing in the anime/manga series, Beyblade Burst. She is Ken's mother and helps with their travelling puppet shows.
She's a young mother with magenta eyes and green hair that pars to her sides and the middle. Her attire includes a light pink down-collared shirt with a black apron on top with an addition of white-striped pants. She also wears pink socks and white shoes.
She portrays as a kind-hearted and sweet woman, as first seen in Episode 4 when she was happy that Ken made a friend, despite them being on the road a lot.