why are my fonts doing this?

my fonts, of the same name, often show up seperately. i.e.  helvetica neue light and helvetica neue bold show up seperatley (fig. 1 is example). i just  want all of my fonts of the same name in one pop-out menu (fig. 2 is example). please help.

Image may be NSFW.
Clik here to view.fig. 1

Image may be NSFW.
Clik here to view.fig. 2