Josiah Wormwood is a trapsmaker from Batman: The Animated Series who uses death traps to get info. His nickname is The Interrogator. He used clues to lead his prey to traps.
Josiah made a living of making traps to interrogat his victims. One night, he setted a trap for McWhirter and got the plates. A small time hired Josiah to get Batman's cape. Josiah was defeated by Batman and later went to Stonegate.
Josiah is similar to the Riddler since they are both intelligent and use traps. They even have similar faces.