11 Small Dog SuperheroesPint-sized power! From Chihuahuas to Maltipoos, these pups don't let size keep them from packing a big punch

CHLOE THE PUG

When Chloe, a 6-year-old pug, started barking incessantly, her owner knew that something was wrong. The pooch was signaling that her best friend Willow, an indoor cat, had fallen through the ice of her backyard pond.