Chun Chun is less than a week old, but it looks like he's already a record-holder in China. He weighed 15.5 pounds at birth, with local media in central Henan province speculating that he's the biggest newborn in the nation's history, reports the Times of India. He and mom are doing well after the C-section. Even if Chun Chun officially takes the honor in China, he falls short of the Guinness record: A woman in Ohio gave birth to a 23.7-pound boy in 1879. Click for more, including video of the baby.