Zoey

Marie

Ignacio

Galen

Ollie

Tala

Quinn

Bodie

Teacher

British

Vampire Bodyguard

Francis

Woman

Bodyguard

The Narrator

African lady

Soft Bubbly

Southern

Robot

Hailey

French

Hood

Indian Girl Accent

A French Girl

Male Russian Accent

Irish

A is a letter character that made a cameo in Apply to join BFDI! Animators, Audio Editors, Background/Prop Artists and More. They appeared to represent "animators".

Trivia
Since A is a letter, they are most likely to be genderless.
A also appears as a recommended character in the final episode of BFB, where it was revealed their real color is light yellow.

a BFB

Animator Of BFB