Keiko Takeda (武田恵子), nicknamed "Keiko-chan" (恵子ちゃん), born May 24, 1977, in Kanagawa, Japan, was the first actress to play Hotaru Tomoe/Sailor Saturn in the Sailor Moon musicals. Her first show was Sailor Moon SuperS - Yume Senshi - Ai - Eien ni... in 1995, although the character of Hotaru did not debut until the next musical, and her last show was the Final First Stage, Eien Densetsu (Kaiteiban) - The Final First Stage, in 1998.
Keiko was the longest running actress to play Sailor Saturn.
Keiko has released two idol photobooks in the 90s and an idol DVD in 2002, but is now retired from performing.
- She has publicly claimed that she is a descendant of Shingen Takeda.
Keiko performed as the Mysterious Girl in the following musical: