You see? Even among real sisters, there's no such thing as caring for someone. That's why it's absolute nonsense that you would risk your life to protect a friend, a stranger, or anyone! You're all looking at me like you feel so sorry for me. Go on, laugh. Even I think it's funny that I was counting on my sisters to help me. The joke's on... me! I SAID LAUGH!!!! DARK WATER FULL POWER!!!! I'M GOING TO TAKE YOU ALL WITH ME!!!! Every human being is born alone and they die alone! And all this talk about love, no one needs love!
~ Bethier's breakdown after being betrayed by her sisters.

Berthier, also known as Bertie, is a major antagonist in the Sailor Moon series, the second youngest of the Ayakashi Sisters who serve under Rubeus.


Sent to remove all opposition to the Black Moon Clan, Berthier disguised herself to find the Sailor Guardians and targeted Ami Mizuno as a result as she played chess against Ami in a tournament with Chibiusa the prize. Though Berthier lost, she captured Sailor Mercury before being destroyed by Sailor Moon.

90s Anime

Berthier was the first to try and take over a crystal point in Tokyo, and also the first to send one of the Black Moon's Droids. Eventually she played chess against Ami in a tournament and lost, so she did a "freeze play": where the player's body gradually freezes whenever she lost a piece. Tuxedo Mask broke the spell, Berthier is horrified to learn that she is being abandoned to her death by her older sisters. But Koan convinces Berthier that can start anew together as the latter allowed herself to be purified, helping their older sisters make the same choice as the four of them run a cosmetic shop in 20th Tokyo



  • Her original voice actress Noriko Uemura also voiced Cele Cele.
  • Her English voice actress in the Viz version and Sailor Moon Crystal, Cindy Robinson, also voices Queen Beryl and Laylamon.


           Sailor Moon Logo.png Villains

Dark Kingdom
Jadiete | Nephrite | Zoicite | Kunzite | Queen Beryl | Queen Metalia

Negamoon Family
Alan & Ann | Black Lady | Negamoon Sisters (Catzi | Bertie | Calaveras | Prizma) | Rubeus | Emerald | Sapphire | Prince Diamond | Wiseman

Death Busters
Kaorinite | Witches 5 (Eugeal | Mimet | Telulu | Byruit | Cyprin | Petirol) | Doctor Tomoe | Germatoid | Mistress 9 | Pharaoh 90

Dead Moon Circus
Amazon Trio (Tiger's Eye | Hawk's Eye | Fisheye) | Amazon Quartet (Besu Besu | Cele Cele | Jun Jun | Para Para) | Xenotime & Zeolite | Zirconia | Queen Nehelenia

Shadow Galactica
Sailor Galaxia | Sailor Animamates | (Sailor Lead Crow | Sailor Tin Nyanko) | Sailor Chi and Sailor Phi | Chaos

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