Flash Sentry is a student at Canterlot High. The ex-boyfriend of Sunset Shimmer and former Fall Formal Prince, Flash Sentry has proven himself to be a good help to the girls on their many adventures, even if he doesn't participate in even half of them. Good-natured and always friendly, Flash is an optimist who believes in the virtues of loving your fellow man and always tries help others. In spite of this he doesn't appear to have many close friends nor much of a social life. 