Mark Twain famously said: "It's not the size of the dog in the fight, it's the size of the fight in the dog" and that rings true for horses too!

At just 19 inches tall and weighing 50 pounds, Roo is smaller than even most miniature horses but even his dwarf body is too heavy for his "windswept" legs that resulted from an angular limb deformity at birth so he staggers around in padded casts, and Breaking Celebrity News has photos of the adorable mini horse.