\rbr\rbr\rbrMonster High Great Scarrier Reef Peri and Pearl Serpentine Doll is double the trouble and sea-sational fun! The two-headed daughter of the Hydra, Peri and .\rbr\rbrMonster High Great Scarrier Reef Dolls Commercial 2016. The Great Scarrier Reef Dolls from Monster High glow in the dark and are now available for purchase.