Erika Arendt (エリカ・アレント Erika Arento) (c.v. Sumire Uesaka)
- A Jewish girl with a photographic memory, Erika has a catalog of paintings hidden from the Nazis called "The List of Hope" memorized. Nazis pursue her to get this information, and she comes under the protection of Liu Feiyan.
- In Souten no Ken: Re:Genesis, it's further revealed that she also knows the secret of "Tentei's Thunderbolts" (天帝の雷)... the designs for an atomic weapon. She is pursued by the Nahash who consider her their migdol.