Please Speak in Opposites (Primarily DC)

Finnegan's ability makes people say the opposite of what they mean. When he asks a question, people answer with the opposite of what they want to say, and then act according to their answer. The ability might sound pretty useless, but for Finnegan, who has spent years roaming the streets, it's a godsend. His days consist of brawling, exploring Gotham's streets, and graffitiing just about everything. Otherwise, he's having conversations like this: "You won't give me your wallet, will you?" "Of course I will! Here, kid, take it." So Finnegan never worried about his future. He lived freely on Gotham's streets. That is, until he had the bad luck to be mistaken for one of the Joker's henchmen and thrown into Arkham. Being locked in a cramped, gloomy, damp, freezing cell was torture for Finnegan, who would rather sleep under the open sky and live free than have anything else in the world. So when Batman interrogated him, Finnegan offered to reveal the Joker's plans in exchange for his freedom, and Batman agreed. Finnegan immediately went to find the Joker, wheedled every last plan out of him, and reported it all to Batman. But Batman went back on his word and didn't set him free. That crossed Finnegan's line, and after escaping, the young street punk set his heart on making trouble for Batman. Before long, the Batfamily got a taste of his temper. The Batfamily: Bruce! Why would you provoke such a huge headache? Huge Headache Finnegan: Hee-hee. The CP is probably Jason. Theme: Blah blah blah.