More: Don’t believe his intense look. Lucio was born on April Fool’s Day, and he lives up to it. He’s a fast, high-flying jokester, and he brings our family endless laughs. We adopted him from Guiding Eyes for the Blind (he flunked out early for being too much of a softie to be a guide dog), and his grandfather is the world’s first running guide dog—a guide dog who can still do it’s job while running with its handler. Lucio is a great dog whose only getting better through training and love.