OacYdnac7 is the doppleganger of CandyCao7, and is the primary antagonist of The Arise of OacYdnac7, then anti-villain and hero in OiramOiram12345 and the Dark Star X series. In The Arise of OacYdnac7, he was accendentally created by his original counterpart, in the beginning of the story to destroy Mario and his friends. Though he was defeated later in the story. He later made an appearence in OiramOiram12345 and the Dark Star X. Since CandyCao7 became a villain, OacYdnac7 became an anti-villain, and then a hero, as he wanted to help Mario and his friends to defeat the Dark Star X and the doppelgangers. At the end, he was destroyed during the Dark Star X's downfall, along with the other doppelgangers, after MarioMario54321 defeated his doppelganger OiramOiram12345, and saved the entire universe.