The Monster High Holt Hyde with Pet chameleon Crossfade is a very fun doll set that features one of the best characters from the Monster High franchise. Holt Hyde is the son of Dr. Jekyll and Mr. Hyde. This means he has some really big shoes to fill in terms of being a legendary monster. Kids who know his back story will definitely enjoy playing with this doll set. The special accessory that comes with this toy set is called the pet chameleon named Crossfade.. This means kids have more options available in terms of crafting elaborate stories that will surely give them a fun and wonderful time. Parents will definitely love the Monster High Holt Hyde with Pet chameleon Crossfade even if their kids are not familiar with Monster High. This will be a wonderful change of pace for them.