If you hadn't said that it wasn't a major character, I'd guess at Sauron. Misleading in name, as Annatar, the Ring as  the 'dim companion' -- but of course if it isn't major, then it couldn't be him. 
 
I'll carry on thinking. 
 
[ July 09, 2003: Message edited by: Gwaihir the Windlord ]
		 
		
		
		
		
		
		
		
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