Fans know Batgirl as a fictional character from DC Comics that frequently appears in the company’s comic book series. Here are a few things you may not have known: the “first Batgirl ongoing comic book series was published in 2000 and featured Cassandra Cain as Batgirl; in 2009, a new Batgirl miniseries was created also featuring Cain, whom, by the end of the series, passes on her Batgirl identity to character Stephanie Brown.” Click here to see more. Continue reading to watch the original Batgirl theme song video.

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