Clifford is a huge red dog in this animated series. But this red dog is bigger than even two storey building. The story revolves around a large dog and how he creates problems by his big size where ever he goes. When the series was written, authors had mentioned that the red dog would be forty feet high. Hence, his big size provides enough humor. The animation is very simple and colorful, and the characters do look very convincing. American actor John Ritter is the voice over artist for Clifford in this animated series. Clifford and his friend Emily Elizabeth is the central character in this animated series.