Fred and George Weasley

Source: google.com These are the Weasley twins whose pranks and strategies were the most fun-tastic ones in the series. You would just love them once you would see their guts and their quick-wittedness. Each and every prank of theirs never hurt anyone but yes, it made everyone laugh, even those felt like laughing upon whom the prank was done. Such was the cheeriness that both of them spread. Well the lesson that you learn from them is- ‘Most of the time, all that you need is a good laugh.’ 11)