Generally, how ticklish you are is based on how often you are touched in a certain area; your hands are much less sensitive than the rest of your body because they are constantly touching things....
A French cartoon character, a series of comic books by Herge. There is a Belgian comic magazine named after the character
She is also a character is Gerry Andersons 'Thunderbirds' however...
You can't. A 'non-ticklish' person is not ticklish because of more sensitive nerves. Tickling is uncomfortable or painful for many people. You can't change a persons physiology.