(Photo : Eagle Boy's Father)

Nicknamed Dou Dou, the five-year-old He Yide has already made it into the Guinness Book of World Records for being the youngest person to even fly a plane. Doudou first became famous in the country in February of this year when a video of the little boy running around in the freezing cold of winter with nothing on him except for his underwear.

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The video immediately became viral online. The video was posted by his family and was taken during their stay in New York, where temperatures dropped -13 degrees Celsius.  Since the video became viral, they started calling his father "eagle dad." He flew for approximately 35 minutes above the Beijing Wildlife Park on August 31, assisted by his coach next to him the entire time. The little boy however, mentioned that he only needed very little help from him during the flight.

His father received several negative responses, and many others questioned his strict training. There are people who think that he is only using his son for popularity. Eagle dad, his real name , He Liesheng, is working as a manager in a private company is Nanjing,  flaunted his son's hard and demanding training during his flight course in his Weibo account.

In August of 2012, the then four-year-old Doudou was able to sail a yacht that's more than twice his body weight during the Qingdao International OP Regatta. Also, in September of the same year, eagle dad claimed that his son was able to climb Mt. Fujiyama in Japan in 15 hours despite the heavy rains.

The latest achievement to be added to his portfolio is him finishing a solo flight with only one month worth of training with a private pilot in a farm in the Hebei Province. Eagle dad paid for the instructions for a total of $4,905 or approximately 30,000 yuan.