Personalized Alligator Stick Boy Big Brother Infant Romper. Big brother Infant Romper - White with a funny cartoon stick boy wearing a baseball cap and tee shirt with an alligator on the tummy. He says, I'M THE BIG BROTHER. Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)