Endingu

An Endingu (エンディング Endingu) is a regular monster in Fairytale Pretty Cure!, serving the Dark Charm Knights. An Endingu originates from a Fairytale Puppet corrupted by dark magic, and, by possessing the fairytale character, converts the sweet and cute doll into a cruel and frightful monster that desires only to destroy and cause people to fall to misfortune and sorrow.

In Episode 14, it is revealed that if the Dark Charm Knight leaves their Endingu unattended, it will have no one to probably control is and it will be taken over by dark magic. It's will take on a more warped and evil appearance and go on reckless and highly dangerous rampages.