With 25 gold medals (and counting) to his name, some consider Olympic swimmer Michael Phelps a super human.

Well that’s because he is; his arms are extra long, his lungs are double the size of a normal persons and his feet bend in ways that is unnatural.

If that’s not enough, here are 17 facts that prove Michael Phelps is super human.

1. Phelps began swimming at the tender age of 7.

Phelps started getting his 10,000 hours practise in at an early age.

2. The first stroke he learnt was the backstroke.

It was reportedly because he was afraid to put his head into the water.