The Brave and the Bold — DC Comics
Issue: #173
A Guardian of the Universe comes to Earth to recruit Batman to help him learn which Guardian is an impostor, and to restore Hal Jordan's memories of being Green Lantern.One of the Guardians of the Universe approaches Batman and asks for his help in discovering which of his fellow Guardians is an imposter.
First appearances: Michael Boches
Creators: Adrienne Roy, Jim Aparo, Gerry Conway, Tatjana Wood, Gene D'Angelo, Paul Levitz, Cary Burkett, Dan Spiegle
Characters: Batman, Alfred Pennyworth, James Gordon, Hal Jordan, Sinestro, Samuel Solomon, Michael Boches, Noel Chesterton, Tom Kalmaku, Carol Ferris, Nemesis