There's got to be something to the fact that every time we see Smokey we hear chains being unwound and wound around a wench, some sort of steam whistle, and a metallic grinding sound. Is Smokey somehow teathered to the ground, only allowed so much leash out of the cerberus vent?
AND
why have some people seen it as black smoke and others white light. We know that black & white is a reoccuring motif of the show, but what is the determining factor for seeing it in different colors?

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