Underwater World Records  

Dinesh Shivnath Upadhyaya held 16 table tennis balls at once underwater.

Nathan Dorrell completed 20 catches upside down juggling three bowling balls underwater.

Nathan Dorrell made 15 catches juggling three bowling balls underwater.

Kevin Taylor broke one brick underwater in a tub using his bare hand.

Kevin Taylor broke five bricks underwater with his bare hand using just one breath.

Zakk S. unicycled 30 feet underwater.

Dan Meyer simultaneously swallowed two swords while underwater. The first sword has a 21-inch blade and the second sword has a 24-inch blade. He performed the feat at the Italian show, [Lo Show Dei Records][1]. [1]: http://it.wikipedia.org/wiki/Loshowdei_record

Craig Morrison from The Record Collectionremained underwater for 7 minutes and 16.19 seconds using only a vuvuzela to breathe.