VlogBrothers (sometimes stylised as Vlogbrothers) is a video blog style channel on YouTube. The Internet-based show is created and hosted by the Green brothers: John Green and Hank Green. The first incarnation of the brothers' online broadcasting was the "Brotherhood 2.0" project, preceding the establishment of the pair's regular vlogging activity through the VlogBrothers channel.The Greens state that their vlog has no consistent format: "Really, it's not about anything in particular.