Sammy,  picoletor ´s character , decided went to swim with Dora, and she knews very well about Dora´s weakness; Sammy is Mara´s younger sister, and Mara is Kurfust´s boyfriend http://www.furaffinity.net/view/5237397/ , so have the result of YEARS of knowledge about where she is ticklish, what she likes, what dislikes, how much strong need pinch her nose to make her laught because is embarrasing for her... (Kurfust is Dora´s older brother http://www.furaffinity.net/view/7067645/ )as extra, that last point is picoletor´s "special move" against dora when she throws water baloons to him!

and here is in action! Sammy learned well XD when dora tried to tickle her underwater, sammy catched her nose to forced to the german shepperd to go to the surface...and laught! XD is like if Sammy have a younger sister now XD