The X-men have seen many telepaths come and go from the teams. They have displayed numerous amazing feats of power, versatility and most importantly, skill. But who among them has the most skill? I honestly belive each telepath is competent in a certain branch of their power, making them skillful in that aspect. However most fans believe skill can be measured, sparking much debate amonst the boards. Let's look at the candidates.
All feats are welcomed and please give concrete evidence for your stance.