Lily Loud is the main protagonist of The Loud House and the love interest of Bessie Higgenbottom. She has yellow hair and black eyes. Her main outfit is composed of: a white diaper. At her age, she is 1 year old.
- Mrs. Loud (Mother)
- Mr. Loud (Father)
- Lincoln Loud (11-year-old Brother)
- Lori Loud (17-year-old Sister)
- Leni Loud (16-year-old Sister)
- Luna Loud (15-year-old Sister)
- Luan Loud (14-year-old Sister)
- Lynn Loud (13-year-old Sister)
- Lucy Loud (8-year-old Sister)
- Lola Loud (6-year-old Sister)
- Lana Loud (6-year-old Sister)
- Lisa Loud (4-year-old Sister)
- Bessie Higgenbottom (Love Interest)
WARNING: Do NOT edit or otherwise alter: Edit YOUR cast list ONLY. (See SP:CAST)
- Her Popples counterpart is Bibsy, both are babies who get themselves into crazy situations, and their first names end with "Y".
- Her PB&J Otter counterpart is Baby Butter Otter, both are happy, aware babies who giggle a lot.
- Her Storks counterpart is Diamond Destiny, both are babies.
- Her My Little Pony counterpart is Pumpkin Cake, both are babies.
- Her Sylvanian Families (1987) counterpart is Blossom Timbertop, both are happy babies who love to giggle and have flower-themed first names.
- Her The Simpsons counterpart is Maggie Simpson, both are smart babies.
- Her Palace Pets counterpart is Brie, both are small sized characters.
- Her Happy Tree Friends counterpart is Cub, both are cheerful babies who get themselves into mischief.
- Her The Fairly Odd Parents counterpart is Poof, both are babies.
- Her Rugrats counterpart is Dil, both are the youngest in their respective families.
- Leni Loud (The Loud House)
- Luna Loud (The Loud House)
- Luan Loud (The Loud House)
- Lynn Loud (The Loud House)
- Lucy Loud (The Loud House)
- Lola Loud (The Loud House)
- Lana Loud (The Loud House)
- Lisa Loud (The Loud House)