Who is known as Batman and Birdman?
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Batman is the son of Dick Grayson.
Dick Grayson is the son of Dick Grayson , the comic book character .
Who is known as Batman and Birdman?</s>Batman is the son of [unused1]Dick Grayson                [unused2] .
Who is known as Batman and Birdman?</s>Batman is the son of Dick Grayson.
Who is known as Batman and Birdman?</s> [unused1]Dick Grayson                [unused2] is the son of
Who is known as Batman and Birdman?</s>Dick Grayson is the son of Dick Grayson , the comic book character .
Who is known as Batman and Birdman?</s>Batman,0,Batman,Batman,child,[unused1]Dick Grayson[unused2],[unused1]Dick Grayson[unused2],father,Batman,[unused1]Dick Grayson[unused2],0,[unused1]Dick Grayson[unused2]
Who is known as Batman and Birdman?</s>Batman,0,Batman,Batman,child,Dick Grayson,Dick Grayson,father,Batman,Dick Grayson,0,Dick Grayson