Marnie Simpson and her fiancé Casey Johnson have revealed the very unusual moniker they've given their second child.The Geordie Shore star, 30, and musician welcomed their bundle of joy earlier this week and now Casey, 27, has taken to his Instagram feed to share a snap of himself planting a kiss on his little one. In the caption, he shared: "Welcome to the world my boy," followed by a purple heart emoji. He continued by announcing his name is "Oax Rubi Johnson," adding: "6.13 pounds Born at 11:30am 16.05.22 Our beautiful boy you have completed our family," alongside a black heart emoji.