Chihuaha T-Shirt - This adorable long-haired Chihuahua would rather be on your chest than in your purse. Chihuahuas are the smallest recognized dog breed, ideally not weighing more than 6 pounds. They originated in Mexico, probably as descendents of Techichi, Toltec companion dogs traceable back to the 9th century. Another theory has them originating from Fennec Foxes. The ears certainly look the same. The dog lover in your life will appreciate this adorable Chihuahua t-shirt!