Passage: The third Robin in mainstream comics is Tim Drake, who first appeared in 1989. He went on to star in his own comic series, and currently goes by Red Robin, a variation on the traditional Robin persona. In the first decade of the new millennium, Stephanie Brown served as the fourth in-universe Robin between stints as her self-made vigilante identity The Spoiler,  and later as Batgirl. After Stephanie Brown's apparent death, Drake resumed the role of Robin for a time. The role eventually passed to Damian Wayne, the ten-year-old son of Bruce Wayne and Talia al Ghul, in the late 2000s. Damian's tenure as du jour Robin ended when the character was killed off in the pages of Batman Incorporated in 2013. Batman's next young sidekick is Harper Row, a streetwise young woman who avoids the name Robin but followed the ornithological theme nonetheless; she debuted the codename and identity of Bluebird in 2014. Unlike the Robins, Bluebird is willing and permitted to use a gun, albeit non-lethal; her weapon of choice is a modified rifle that fires taser rounds. In 2015, a new series began titled We Are Robin, focused on a group of teenagers using the Robin persona to fight crime in Gotham City.

Question: Batmans sidekick has many iterations, the third of which being who?
Tim Drake