He was born to Angela and Tails. After Cyrus was given birth, he and his parents got along very, that is until the day Antasma has returned from exile in Super Smash Bros: The Comic, 4 years after the Mario Bros. defeated him twice in Pi'illo Island. But instead of Antasma wasting his time fighting against Mario & Luigi, he turned into a bat and snaked baby Cyrus from his Parents, that is 2 years before his Baby Sister, Miley Prower, was born. He was thought dead at the time he was stolen, but he will be discovered that he is alive and is just trained by his Master, Antasma. It is unknown if he decides to betray Antasma under his mother's wishes or not.