Characters from things I don't know much about but I consider me-core for one reason or another :P Usually design or what little of their personality I know Very Me-Core:

• Carameleon Cookie (Cookie Run)
• Manju Cookie (Cookie Run)
• Kaeya (Genshin Impact)
• Tartaglia/Childe (Genshin Impact)

Me-Core:

• Chili Pepper Cookie (Cookie Run)
• Lisa (Genshin Impact)
• Yelan (Genshin Impact)