Charlotte is a minor villain in Puella Magi Madoka Magica. She is a Witch, that is to say a magical girl corrupted by grief and despair. Unlike most witches, she has two forms . Her normal form is not very formidable, but her caterpillar form is very agile and dangerous, she can easily tear enemies apart using her sharp teeth.
Charlotte reappears in The Rebellion Story, though she has a slightly different appearance. The other characters call her Bebe, and she is helping the magical girls in their fight against the Nightmares. It is revealed that Bebe is a disguised Nagisa Momoe, who is introduced in the movie as the magical girl Charlotte originally was.
"The dessert witch, with a tenacious nature. She desires everything. She will never give up. Though she is capable of creating infinite amounts of any dessert she desires, she is unable to make the cheese that she loves most. One could easily catch her off-guard with a piece of cheese."
"The Dessert Witch. Once dreamt of tenacity. A mysterious creature who suddenly appeared in Mami's home. Was christened "Bebe," but it is actually the Dessert Witch who arrived from the Law of Cycles. She was expressionless and silent when she was first encountered, but took on its current appearance out of the blue. A bit loud. Mami made its clothes by hand. Mami resembles someone who appeared in the final nightmare the witch saw."