That annoying little anthropomorphism who runs by and distracts you from what you were trying to say with a different, shinier idea, causing you to lose your train of thought.

That wonderful little anthropomorphism who runs by and flashes you a simple solution to a problem you were mired in all week.  He seems to enjoy appearing in this fashion while you're doing something totally unrelated; in the shower, on your afternoon walk, while eating breakfast.

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''Originally coined in IncrementalWiki, when I saw him mentioned, I had to make a link for such a WonderfulTerm and express the duality of his nature.''