Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. A giant sea monster known as Dragonsaurus has emerged from out of nowhere terrorizing the depths of the oceans. Great Mazinger Grendizer and the Getter Robo G team join forces to combat the new threat. But their task becomes more complicated when Dragonsaurus swallows up Boss Borot and makes its way towards Tokyo. Source: ANN Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Jôji Yanami, Kei Tomiyama, Akira Kamiya, Keiichi Noda, Kôsei Tomita, Keaton Yamada, Rihoko Yoshida, Hiroshi Ohtake, Hiroya Ishimaru .