Do you want to compare Birdy with William Stryker? Discover the powers, weakness & weapons of Birdy and William Stryker from Birdy Biography and William Stryker Biography. Find out all about Birdy and William Stryker.# Check out how is Birdy unique and distinct from William Stryker. Discover their love interest, sidekicks, family tree and the movies and games list in which Birdy and William Stryker have appeared. Find out everything about them here!