Ben Churchill
To have a overly large forehead, often referred to as a BenCh. The forehead is also a key point of both knowledge and laughter. Looking at one directly for too long has been known to cause paralysis and at least temporary blindness from the glare. Often to protect oneself you take your hands and make circles, which you then place infront of your eyes to avoid any issues while looking.
Here comes a Ben Churchill, I can see his forehead from here!