Chikayo Cap (born December 13, 2028 in Tokyo, Japan) is one of the adoptive daughters of Marci and Matthew Cap. Her other vigintuplet siblings are Shinji, Hitomi, Satoshi, Kai, Mao, Hikari, Kasumi, Tariko, Shizuka, Takao, Kenji, Yukina, Mako, Sakura, Yoshi, Daisuke, Toshio, Yusake and Hiromi. She was put into a foster care along with her other vigintuplet siblings at the age of 20 months.
- Father: Matthew Cap
- Mother: Marci Cap
- Brothers: Shinji Cap, Satoshi Cap, Kai Cap, Takao Cap, Kenji Cap, Mako Cap, Yoshi Cap, Daisuke Cap, Toshio Cap, Yusake Cap
- Sisters: Hitomi Cap, Mao Cap, Hikari Cap, Kasumi Cap, Tariko Cap, Shizuka Cap, Yukina Cap, Sakura Cap, Hiromi Cap
Team Terrific 10's Medical Unit of Greater SupernannyaEdit
In Supernanny: The Theory AnimatedEdit
- Her full name is Chikayo Rena Cap
- She receives a Bulbasaur plush and a mahjong game set for Christmas 2033
- She was dressed up as Michelle aka Sailor Neptune for Halloween 2033
- Her favorite ice cream flavor is wasabi
- She owns plush toys, including Poliwhirl, Wartortle, Pichu, Darkrai, Pachirisu, Chimchar, Piplup, Turtwig, Audino, Vulpix, Bulbasaur, Gengar, Espeon, Flareon, Squirtle, Sylveon, Togepi, Axew, Sailor Neptune, Pikachu, Emolga, Foongus, Eevee, Scraggy, Throh, Shinx, Leafeon, Charmander, Raikou, Lucario, Ash, Jolteon, Dragonair, Dewott, Ditto, Shiny Entei, Shiny Suicune, Tepig, Totodile, Chansey, Deerling (summer form), Moon Princess Serenity, Meloetta (aria form), Raichu, Slowpoke, Ampharos, Shaymin (sky form), Togekiss, Jirachi, Meloetta (pirouette form) and Terrakion.
- She has a pet Akita puppy
- she and her vigintuplet sisters have Sailor Moon merchandise, such as costumes, Cosplay, lockets, plushes, jewelry, tiaras, wands, figures and dolls.