Riddler—everyone present knew him, one of Gotham's typical paranoiacs. He was an egotist.
He believed his riddles were the best in the world and that he was the smartest person alive, so he kept giving people riddles and playing with Batwoman through sleepless nights.
Leaving hundreds of riddles across different parts of Gotham overnight—was that something a normal person did?
Doctor Bedlam's symptoms resembled Riddler's, though he was not quite as egotistical. After all, he still had leaders like Darkseid, Desaad, and Granny Goodness above him.
This guy's hobby was mazes, and he often kidnapped victims to play the "Escape Room" or "Script Murder" games he created.
He was Mister Miracle's arch-nemesis. As one of the universe's greatest escape artists, the latter claimed that no prison or maze could hold him, and Doctor Bedlam simply refused to believe it.
After Mister Miracle, Scott Free, with his red-yellow-green color scheme, fell in love with Big Barda, a former member of the Nemesis Squad, and eloped to Earth, Doctor Bedlam became one of the Apokolips villains who most often sneaked over to Earth.
He had no physical form to begin with, making him impossible to guard against.
Today, he might abduct Scott's colleague; tomorrow, the cat Scott kept at home. All to force Mister Miracle to play through the mazes he built.
Doctor Bedlam might sound like merely one of Darkseid's many underlings, but he controlled a planet called Chandler Tower. He fed every native there Paranoid Pills, turning the entire planet into an enlarged Gotham, then built a maze on a planetary scale.
It was a game, but if you played poorly, you died.
He put his kidnapped hostages in the maze and made Mister Miracle search for them. After finding them, he still had to escape. The maze was filled