or Twelver Shi'a, which is what is prominent in scholarly literature. Whatever we decide, we need to reflect the decision on the Ismaili and Zaidi articles. Enzuru Twelver is actually commonly used on Wikipedia and it redirects only to Twelver Shi`a... Just as a suggestion. I spend a lot of time changing [[Twelver]] to [[Twelver Shi`a|Twelver]], actually.  speak! 
Well, I vote Twelver. It has no other referents. '''' speak! 
I think, in keeping with our proud heritage of democracies in the Middle-East, your one vote should decide this issue. Go ahead and move the article. Enzuru