Some would say that egotistical sport stars are a by-product of the treacherous journey endured while climbing to the very top of their chosen profession. That a self-centred personality is simply a method of dealing with the nerves and the crises of confidence in order to keep their rivals at bay.
Others would say they are simply morons.
Either way, whether flashing the cash, talking in the third person, engaging in relentless self-propaganda or maybe even covering your body with tattoos, ego comes in various shapes and forms.
Although football is rife with such people, the hallowed cricket grounds of the world remain refreshingly free from such boorish behaviour...don't they?
"Roobish" as Geoff Boycott would say. Cricket is littered with egotistical personalities, and here are 10 of the very best.