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