User blog comment:Chernabogue/New Enemy Infobox Template/@comment-1256165-20150119212328/@comment-3236835-20150123193858

I discovered something that may lead you to why those blank spaces are appearing.

If the eng voice and the jpn voice, and any (don't need to be both) of the background or blood type variables are filled, then the box won't display those blank spaces.

Hope that helps you, cya!