That.... that is extraordinarily impressive. If I saw something like that through a window I'd either be utterly terrified (fear of the dark!) or completely inspired. Also.... somehow my mind connected the long pointy chin with the stereotypical pharaoh's beard... mental image was quite amusing, sorry!
It's variable. It's typically longer in their Natural State vs. shorter in physical forms. Their features bend and stretch to accommodate the situation. It amuses me to think of them splitting spacetime with it while they're surfing through the cosmos. XD