Michael Phelps officially announced his retirement (and this time, he says he means it) after winning his 23rd Olympic gold medal. Obviously, Michael Phelps is the most decorated (and probably the best) swimmer of all time, and now the only question is whether he's actually human or part "Merman." As you'll see from the funny memes and photos below, the internet has a lot of interesting theories regarding this subject. It's time to sink or swim with this hilarious collection of funny Michael Phelps memes and truly get to the bottom of this aquatic conundrum.
The Resemblance Is Strong
How Has No One Noticed This Yet?
Revenge of the Phelps
He Was Born With It