Originally Posted by jekyl_hyde
ok... i stand corrected as far as the design goes. one thing that doesn't make sense though is why is it both Madara and Sasuke's MS designs are the more prominent, while both Izuna and Itachi's are altered. It is their eyes after all.
It may be Izuna/Itachi's eyes, but the host body (and therefore, host power) belongs to Madara/Sasuke so it stands to reason that the host body would have their original MS pattern as the predominant feature.