Dinosaurer is a fictional giant robot character from the Transformers series, best known in Japan as the Decepticon mobile fortress and combiner from The Headmasters. He serves as a major antagonist and a powerful weapon of the Decepticons, capable of transforming into a massive dinosaur-like fortress. Dinosaurer is closely associated with the character Scorponok, as the Japanese counterpart of that form. He plays an important role as one of the most formidable enemies the Autobots face, representing overwhelming military power and destructive force.