Answer:
A prehistoric reptile that lives today and the inspiration for the name of a popular sports drink.
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
What goes up but never goes down?
Ms Red lives in a red house, Mr blue lives in a blue house, Ms pink lives in a pink house, who lives in the white house?
Said to have fifty shades
I spend most of my day eating white. When I am quick enough I get rewarded with fruit and something blue. In a dark room with blue walls I run from the ghosts that roam the halls