The Justice League of America

Superman
The very definition of a Paragon, the last son of Krypton is the champion of the people of Metropolis and a core member of the Justice League.

The man of steel has had many adventures across the world and across the Universe. His enemies are numerous, but most noteably include Lex Luthor, Brainiac, Bizarro, Darkseid.

Superman is the unnofficial mentor of Mercury, a young hero that has recently emerged from Kandor.

Batman
The Caped Crusader is the legendary alter ego of Billionaire playboy Bruce Wayne. Considered the world's greatest detective and a master inventor, Batman is one of the core members of the Justice League and the master of inspiring fear in criminals, even those considered to be more powerful than he is.

Batman is known for his insane and twisted Rogues Gallery. These include the infamous Joker, Harlequin, and Scarecrow.

Batman has also redeemed several criminals in his long career including Catwoman, the Riddler, and most recently a man named Renegade, who joined the New York based superhero team Liberty Prime. Batman continues to monitor Renegade due to his unknown past and possible connections to Cadmus.