OOC Immunity is the ability to completely resist a Mary Sue's influence. It is not the same thing as OOC Resistance, which allows partial resistance. Only a very few characters are immune to being pulled OOC by a Mary Sue or slashwraith. These are all omniscient, omnipotent deities. If you find them OOC, they are always character replacements, because the real characters are more powerful than any Mary Sue. Sues who wish to create OOC versions of them have character replacement as the only remaining option. Immune characters encountered so far: