Barry is a human-fish mutant that is briefly mentioned in Maximum Ride Forever. However, he is not seen in any other books.
History[]
Before Maximum Ride Forever[]
When Nino Pierpont first brought the Flock to Paradise, he and Nudge swam at a waterfall along with some of the other mutants.
Maximum Ride Forever[]
Shortly before Rizal officially takes Max, Nudge, and Total as hostages, Nudge recognizes Barry and waves to him; however, he doesn't wave back.