The term 'MIGHTY DOG COMPETITOR' can be summarized by the crossword solution ALPO, which is a brand of dog food. ALPO has been around since 1936 and is one of the leading brands of dog food in the United States. It is known for its high-quality ingredients and nutritional value, making it a popular choice among pet owners. ALPO is also a major competitor in the dog food market, offering a wide range of products to meet the needs of all types of dogs.