Suggestions by @laylachat

Olivia (Free Fire)

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Olivia (Paper Mario)

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Olivia the Orchid Fairy

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Olívia (Jolie)

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Octavian (Animal Crossing)

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Obelix

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Olivia Woods

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Octavia Melody

as O in Fictional Characters Face Claims Sorted by First Letter of First Name

Marty (Animal Crossing)

as M in Fictional Characters Face Claims Sorted by First Letter of First Name

Mallary (Animal Crossing)

as M in Fictional Characters Face Claims Sorted by First Letter of First Name

Megan (Animal Crossing)

as M in Fictional Characters Face Claims Sorted by First Letter of First Name

Maelle (Animal Crossing)

as M in Fictional Characters Face Claims Sorted by First Letter of First Name

Molly (Animal Crossing)

as M in Fictional Characters Face Claims Sorted by First Letter of First Name

Miranda (Animal Crossing)

as M in Fictional Characters Face Claims Sorted by First Letter of First Name

Mabel Able

as M in Fictional Characters Face Claims Sorted by First Letter of First Name

Merian (StuGo)

as Redhead in Green in Sort by Tropes

Merian (StuGo)

as Ginger Hair (Female) in Hair Salon

Luna (Animal Crossing)

as L in Fictional Characters Face Claims Sorted by First Letter of First Name

Lottie (Animal Crossing)

as L in Fictional Characters Face Claims Sorted by First Letter of First Name

Leilani (Animal Crossing)

as L in Fictional Characters Face Claims Sorted by First Letter of First Name