Revealing herself as both Miriam Weeks and alter ego Belle Knox made her feel vulnerable.
I tried really hard to call upon Meggie Mac, my alter ego, the perfect, polite, and smiling daughter-of.
She also does something that marks a true rock star—she invents an alter ego.
alter ego al·ter ego (ôl'tər)
Another side of oneself; a second self.
An intimate friend, considered another side of oneself: “He was my alter ego; we were always picking up each other's thoughts.” Alter ego is Latin for “another I.”