This article is about a/an movie-exclusive villain in Kamen Rider OOO and Kamen Rider W.

Eren Komori (小森 絵蓮 Komori Eren) is the Gaia Memory dealer of the Museum during 1999. By using the Bat Memory, she can become the Bat Dopant (バット・ドーパント Batto Dōpanto). As the Bat Dopant, she can use her ultrasonic voice to control vehicles such as a tank truck.

She is fighting with Kamen Rider Skull, but later defeated by Skull using the Skull Punisher to trap her under a truck she was using to fight him. Though she begs for his mercy in letting her go, Skull leaves her to die as the vehicle bursts into flames. She appears in the film when the Pteranodon Yummy uses the Memory Memory to reveal the events of Sokichi Narumi's past.

Super Hero Taisen Z

Bat Dopant was revived as a member of Space Shocker. She was seen fighting The Gingaman.

The Fateful Sengoku Movie Battle

to be added

Behind the Scenes


Eren Komori is portrayed by Reon Kadena (かでな れおん Kadena Reon), who would later portray Alia in Kamen Rider Ghost.


  • She wears tight clothes and pantyhose with Bat icon.
  • Her surname, "Komori" (小森 lit. "Small Forest"), in hiragana, is one elongation kana from becoming "Koumori" (蝙蝠 Kōmori, lit. "Bat"), a pun on her status as the Bat Dopant.