Though rightly revered over the centuries for his religiosity and commitment to humanity, St. Francis, right now, is probably most famous because Pope Francis opted to assume his name as his regnal name. That was special and unique. The first name assumed by a pope that was NOT the name, birth or assumed, of another pope.
Yes, he founded the Franciscans. He is the Patron Saint of Animals, Merchants & Ecology — and Co-Patron of Italy. Watch the above video.