Horned Vipers are a type of venomous snake found in the Middle East and North Africa. They are also known as Asps, which is a four-letter word that can be used to solve a crossword puzzle. Horned Vipers are characterized by their distinctive horns above their eyes and their triangular heads. They are usually brown or gray in color and can grow up to two feet in length. They are highly venomous and can cause serious injury or even death if not treated quickly.