Montague Kane was a magic debunker who revealed magician's secrets but was also a thief and a criminal in Batman:The Animated Series.
Monatague made a living revealing magician's works and traveled the world. These acts made him rich enough to buy his own aircraft .At one point, he went to Zatanna's performance and to fantom her trick. Zatanna's act was to make 10 million dollars disappear and reappear. However, he stole the money in the act before the perfomance and framed Zatanna for the crime.
He later tried to get away in his private plane but was stopped by Batman and Zatanna. Kane was arrested afterwards.