The word gets tossed around pretty loosely these days, and I guess everyone has their own definition. This is pretty close to mine:
He is a known character and gets recognised by budding fans time and time again. He is well worth booking. Available for things such as: Television shows, festivals, all charity work, major events, tv commercials, pr stunts, product launches, new store openings, fronting products etc.Here come Flying Eagle and more real-life super-heroes!