Duke Thomas, also known as The Signal, is a teenage metahuman in Gotham City and the newest protégé to Batman following the events of Batman: Superheavy. Rather than being trained as another Robin, Batman looks to mentor him as more of a partner under a new, accelerated program. Duke Thomas was created by Scott Snyder and Greg Capullo, first appearing in Batman (Volume 2) #21. (2013)

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