The Dragon Beast was the disguise of Mr. Husai.
Physical appearance: He had tan hair, green skin with black paint on his face, sharp teeth and heart shaped snout. He had sharp claws and black eyes. He also wore a kimono that was purple with dark pink.
Powers and abilities: He used fireworks (Mr. Husai owned a fireworks factory) to create a special effects which included green smoke appearing out of the pitcher's mound and the Dragon Beast growing giant.
History: Scooby-Doo and Scrappy-Doo (first series) He terrorized a baseball game Mystery Inc. attended in Japan. He appeared in the dugout during the game between the American and Japanese teams. He didn't want the USA to get the trophy because they would discover he stole the original gem on it and replaced it with a fake.