Akiko Hiramatsu (平松晶子) is the voice actress who played Calaveras in Sailor Moon R, as well as various other roles. Elsewhere, she has played a large number of anime roles, including Yukari Tanizaki in Azumanga Daioh, Nene Romanova in Bubblegum Crisis, Bloodberry in Saber Marionette, and Miyuki Kobayakawa in You're Under Arrest.
- Calaveras (eps 63-66, 68-69, 71-72, and 86)
- Castor (ep 21)
- U-Estern (ep 112)
- Do Kanko (ep 130)
- Reiko Kanagawa/Sailor Gamer (ep 191)