Mephiles of Darkness (闇のメフィレス, Yami no Mefiresu?) is a major antagonist of the fanfic series, MIRACULOUS X -ミラキュラスX-. He is the malevolent conscience, mind and will of the sun god Solaris. He was born during the Solaris Project when the experiments on Solaris split him into Mephiles and Iblis. Mephiles is now the Destroyer of Multiverse, the Dark God of Sun and ruler of Shadow Galactica. He is Sailor Galaxia's husband and Sailor Infinity and Solaris' father.