The dynamic Flash duo of Barry Allen and Wally West are an incredible pair in DCComics. Together, they've saved the day and made the hero a popular staple within the Justice League for many decades. However, by now, the two have developed a tendency to become interchangeable in the worst way.
Jay Garrick was the first Flash in comics, but later Barry Allen became one of the most popular characters to wear the mantle. Wally took over the mantle in the '80s during Crisis on Infinite Earths and in recent years, the two have been a little difficult to tell apart. This has become so true, that merging Barry and Wally into a single hero doesn't result in a noticeably hybridized hero in alternate universes.
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Superman/Batman #60 and #61(2009) have the creative team of Michael Green, Mike Johnson, Francis Manapul, Brian Buccellato, and Rob Leigh. Within these issues, the World's Finest are transported to a dream world where the Teen Titans are merged with the Justice League, resulting in hybrid heroes. For example, Beast Boy and Hawkman become Hawkbeast — a large green hawk with a mace. Similarly, the Justice League's Flash (Barry Allen) is merged with the Teen Titans' Kid Flash. However, this hero is simply called Flash and there aren't many ways of noticing that Barry and Wally have been combined.
Flash's suit in this two-issue arc most closely mirrors Barry's, however, when Superman confronts him upon entering the world, he refers to him as Wally. This causes this Flash to be confused about how the Man of Steel knows his name. When Batman and Superman finally start to figure out how this world works, they assume Wally is the exception to the combinations
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