The stand in for Carrol Jupiter while he’s under suspicion for attacking the Queen in league with his previous teammate, Mars DeWinter. He accused the Looking Glass Ravens of being involved with the attack on the Queen. Benecio asks if the Queen is still alive, if so, it wasn’t ‘Rubi’.
He was mentioned in the conversation between Leon and Francis. “I don’t care what Flynn says, once Jupiter is back, our heads are going to roll.”