Ruby Rose has quit Twitter following a backlash against her casting as Batwoman.<br /><br /><br /><br />The 32-year-old actress was recently announced as the first openly gay superhero in a TV series, which she described as a "game changer", but Ruby has subsequently decided to delete her Twitter account in response to the onslaught of negativity she's received.<br /><br /><br /><br />Ruby's final tweet before shutting down her account saw the model-turned-actress bemoan the reaction to her casting in the upcoming TV series.<br /><br /><br /><br />She wrote: "Where on earth did 'Ruby is not a lesbian therefore she can't be batwoman' come from -- has to be the funniest most ridiculous thing I've ever read. I came out at 12?<br /><br /><br /><br />I am looking forward to getting more than 4 hours of sleep and to break from Twitter to focus all my energy on my next 2 projects. If you need me, I'll be on my Bat Phone."<br /><br />