Why isn't Poison super effective to Bug? And why doesn't it have any effect on Steel? Why is Dark resistant to Ghost? ... Thinking about Pokemon type relationships too much will make one's head asplode. Why don't you try giving me some ideas on how to make sense of these three, and loads more inconsistencies in the chart, here? http://nintendo5star.blogspot.com/2010/03/logic-on-pokemon-type-relations.html