Actor Brad Pitt and partner Angelina Jolie finally welcomed their twins into the world this week. Breaking the celeb trend for stupid baby names.

Knox Leon and sister Vivienne Marcheline were delivered by cesarean on Saturday.

Doctor Michel Sussman told press that Brad was by Angelina’s side during the operation, “He was perfectly calm and everything went well. The parents and the babies are in excellent health.” Knox topped the scales at 5lb 3oz while Vivienne weighed in at 5lb.