In case you wanted to make it really obvious you were writing a Mary Sue (just kidding - though do be careful with these names, you don't want to be super overbearing with the uniqueness)
Having baby girl twins? Here are some popular name combinations for girls. Ideas are great!
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OLIVER ~ The Most Lovely Vintage Victorian Baby Names! | Disney Baby
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Addison and Avery Twin Baby Names | Disney Baby
Drinking buddies bodysuit for twins by BrooklynCreations on Etsy