Well he can only eat 食物 that has 玉米 starch I think but for now Zim can only eat 威化饼, 华夫饼 but later he might get sick.But he might not if they aren't made 由 Gir.Who knows what he put in them.
ZIM HATES ALL EARTH 食物 THEY CAUSE HIM PAIN!!! for example beans make him ooze green slime and make his head all big, water(i think that counts as a food) feels like acid to irken people, BUT HE LIKES 威化饼, 华夫饼 TO SOME EXTENT
