So it seems Mattel have found themselves in a bit of legal trouble, as Mezco Toys is sueing them, claiming that Monster High is stealing an idea of theirs. http://www.law360.com/ip/articles/368979/mattel-hit-with-trademark-suit-over-monster-high-dolls Who are Mezco Toys, you ask? Well they're the creator of Living Dead Dolls. You know, those creepy as hell baby dolls which seem to clutter up ever…