Michael Phelps’ sweat is consider a banned substance for other athletes. Too bad Michael Phelps never sweats.
Once, when Michael Phelps swam the Atlantic he came across mermaids who thought he was just a myth.
Michael Phelps does not swim like dolphins; dolphins swim like Michael Phelps.
There is no need to save the whales, Michael Phelps has saved them all.
Every time you see a shooting star you are really watching Michael Phelps train in space.