Personalized Alligator Stick Boy Big Brother Long Sleeve T-Shirt. Big brother Long Sleeve T-Shirt - Charcoal 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. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL