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