Personally, I would say if you find yourself creating any of these fantastical Mary Sues, just omit them and have done with it. But, in case you are dead set on keeping that character in the story world, I’ll share my two cents on how to subvert that individual sue trope with advice based off a realistic approach to that character.
• The number one common sue I see is the girl next door. She’s just your typical good girl. She has her quirks, but they’re irrelevant. She has a few pointless little hobbies or skills that are introduced before the writer actually vomits up a plot for her. Her social life is in ruins, but she’s usually got a nice family to back her up. They mean absolutely nothing though. All she cares about in the world is winning the approval of crazy high school teen stereotype popular girls and/or good looking guys with no personality. For some unfathomable reason, she adores these people and would go through heck and back to get them to li