People born on February 29th are called “leaplings” or “leapers”.

(The poet Lord Byron was a leapling as was the rapper Ja Rule.

Just imagine, you only get a birthday party once every 4 years, but you’re quarter the age of the rest of us, in fact Gilbert & Sullivan’s Pirates of Penzance the plot revolved around Frederic’s discovery that, because he is a leapling, he must remain apprenticed to pirates and serve another 63 years before he can join Mabel, his one true love.)