Charlie and his finger-biting brother are all grown up

Remember the ’Charlie bit my finger’ video? Of course you do.

The video of a young boy and the little brother who gleefully bites his finger is the world's most popular viral video - having been viewed more than 815 million times since being upoaded on May 22, 2007. It is the only non-music video in YouTube's Top Ten Most-Viewed list.