Subdivision nothing like original I have a lego batman model taken from LDraw. It is really low-poly and messy, and when I use subsurf, it manages to look even worse. Is there anything I can do about this?

Before:



After:



And here's a bit of wireframe:
As LukeD said, a mesh can not be triangulated if you want to use subsurf properly. I found you can press Alt+J in edit mode to make the mesh quads and n-gons.