Ronald "Ronnie" Barlog was a prisoner on HBO's Oz (TV series) in Season 4. He was played by Brian Bloom. Barlog was arrested for grand theft auto and sentenced to 13 years in prison. When he was brought to Oz, he recognized an old acquaintance, Chris Keller. Barlog got into a love triangle with Keller and his erstwhile lover, Tobias Beecher. Beecher was Barlog's guide when he stepped into Oz, and the two became close. Keller tried to warn Barlog to stay away from Beecher, but Barlog replied that he had already gotten into a relationship with Beecher.