sam griner was just 11 months old when his mother snapped him clenching his fist on the beach and posted the image online .
years later , she learned it had become the popular ` success kid ' meme .
sammy 's father , justin , has been on dialysis for six years and is in need of a kidney transplant so the family is now appealing for help .
they have set up a gofundme page to try to find him a kidney and to raise the $ 75,000 he will need for the procedure and medication .