As Halloween season kicks into high gear, Mattel's Monster High collection continues to grow ... with notable names including ...

Mattel has revealed that the next horror icon joining its Monster High Skullector doll collection will be M3GAN, available from June 10.

'Monster High' has been one of the most beloved and successful properties that's part of the Mattel brand since 2010.

The best Monster High dolls not only have the best outfit and accessories, but they should be one of your child’s favorite characters from the series as well.