He first shot to stardom when a baby picture of him became a series of memes.
But the viral fame of ten-year-old Sammy Griner, from Jacksonville, Florida, was used recently in a very different way - to save his father's life.
When Sammy's mother, Laney, took a picture of him in 2007 holding a fistful of sand at the beach, she could never have guessed that the 11-month-old would become an internet sensation.
With a "determined" look on his face, he was dubbed the "Success Kid" when the photo went viral in 2010.