Boys Half-Shell Heroes Pajamas. Young heroes will enjoy bedtime with their favourite TMNT characters in these vibrant pjs inspired by the beloved Half-Shell Heroes. Featuring Leonardo, Donatello, Michaelangelo and Raphael on the top, and a fun motif of shells in greens and blues on the bottoms, these jammies will soon become a bedtime favourite. With an elasticated waistband and cuffs on the arms and legs, this pajama set offers a super cosy snug fit.