Auriol (EntityTopic, 14)
From Compile Worlds
Doppelganger Arle is an evil red clone of Arle. At the beginning of Puyo Puyo~n, she possesses Satan and makes him run a demented carnival to steal Carbuncle and use his bad-ass laser for injustice. She dressed herself up as a clown to keep herself clear from suspicion until the time was right.
She is the first villain in the entire Puyo series to break the "OMG Satan is the last boss" rule and has been the only female villain to date... well... besides Ms. Accord. She also shows up in Puyo Puyo 7, with a new outfit and the shorter, less evil name of Dark Arle.
D. Arle has not been seen by the AAA, and hopefully will not appear to them until long after Accord is dead. There was also a rumor floating about that D. Arle might be appearing in Madou Monogatari Fever, but this has neither been confirmed or denied.