PBS almost shut down the production of Hellboy because they claimed Guillermo del Toro was infringing on their I.P. The court threw out the case because Hellboy is a demon, NOT a monster, and therefore not a copy of Cookie Monster.
Shitty Movie Detail: Guillermo del Toro’s Pinocchio
Despite what the title says, Pinocchio is Geppetto’s wooden boy. Guillermo is nowhere to be found in the film.