Roger Federer
Roger Federer has announced the birth of his second set of twins. Reuters

Tennis ace Roger Federer has become the proud father of a second set of twins.

The 32-year-old Swiss player and his wife Mirka announced the birth of their twin sons on Twitter describing it as a "miracle."

"Mirka and I are so incredibly happy to share that Leo and Lenny were born this evening! #TwinsAgain #Miracle," Federer wrote.

The couple were blessed with another set of twins, their daughters named Myla and Charlene, in 2009.

The birth of Federer's twin sons has sent Twitter into overdrive with a flurry of jokes.

These jokes vary from prediction about Federer's twins winning Wimbledon doubles titles in the future to the player's extreme ability to have two sets of twins.

Have a look at some of the funniest, but good-natured Twitter reactions: