For “Godzilla: King of the Monsters” director Michael Dougherty, grabbing a big bowl of cereal and watching the Hanna-Barbera “Godzilla” cartoon on TV was a Saturday morning ritual growing up. “You should always be able to recognize your creature strictly from the silhouette, without having to rely on any extra details.” RELATED: ‘Godzilla: King of the Monsters’ scales box office; …