"Supernatural" star Jensen Ackles and his wife, actress Danneel Harris Ackles, have welcomed twins. He revealed the twins' names on Instagram over the weekend. "Danneel, JJ and I are excited to announce the birth of our twins Zeppelin Bram and Arrow Rhodes. They were born early yesterday morning. Everyone is doing great! #twinning," he wrote on Instagram. Jensen and "One Tree Hill" star Danneel are already parents to daughter Justice Jay, who was born in 2013.