The series looked at the origins of Oliver's alternate identity.

He managed to take his alternate identity to the grave.

Review of the intelligence gained by the incident allowed him to figure out the hero's alternate identity.

His story turns out to have at least some connection to reality, drawing the psychiatrist into a complicated alternate identity that changes his life.

One of the many things he'd learned in prison was the proper methodology for obtaining an alternate identity.

He would often spend weeks or even months at a time in various alternate identities.

People with bipolar disorder may develop alternate identities to match each mood they experience.

"We offer you a choice of alternate identities during your trip."

Establishing two or three alternate identities, with documentation, also would be wise.

It was almost as if he had two personalities, she thought; she wasn't the only person good at alternate identities.