Cluemaster

Arthur Brown probably never had an original idea in his life. The host of a failed game show, Brown turned to a life of crime, but instead of being original, he just copied the Riddler's modus operandi. As the Cluemaster, Brown frequently ran afoul of Batman and Robin, leaving the location of his crimes in the form of clues, only to be humilated time and again. After awhile, he was cured of his compulsion to leave clues, and took over a small gang, and became the archnemesis of the Tim Drake Robin, who at the time, was dating his daughter Stephanie, the vigilante Spoiler. After a botched Suicide Squad mission, Brown was thought to be dead, but resurfaced, albiet now burned horribly.

Powers
Cluemaster is a criminal genius.

Weapons
Cluemaster uses special pellets that conceal many gimmicks, such as smoke screens and nets.