Kayla (Miss BG)

"this is Kayla, a Girl who's best friends with someone familiar, Ah, Brittany-Ann McAdams that's who".

--Su Ji-Hoon, a Big Girl's Imagination

Kayla (French: Carla) is Billy's brunette younger sister. She is also Brittany-Ann's best friend and she is often with her. She often does everything Brittany-Ann tells her to, much to BG's disdain.

BG and Kayla both share similarities between each other.

in When the Cold Breeze Blows Away, she is a fighter of World War III, she also is a member of the Preschool Girls, Kayla also allied with the Grand Alliance to go against the evil, she serves as a Spy of Team BG.

Kayla survives during the zombie outbreak.