Also known as: ドッペルゲンガーアルル, ドッペルゲンガーあるる, Dアルル, ドッペルアルル
Madou Monogatari and Puyopuyo character.
The evil alter-ego of Arle Nadja who has red eyes and wears red armor in contrast to Arle's blue clothing. Initially she is dressed as a masked clown named Pierrot.