Sky Stinger

Depiction in the series
At first, Sky Stinger is shown to be very full of himself with an extreme ego, he wishes to become the best Wonderbolt ever and show off his extreme flying skills.

However, later on it is shown that he is actually a terrible flyer and a joke compared to other cadets at the academy. Sky was not aware that his image was only possible down to Vapor Trails assistance in helping him perform.

Eventually, Sky gained proper training from both Twilight and Rainbow Dash and soon proved that he is Wonderbolt material.