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

X is an algebralian, variable and the co-host of BFB. They were the host after Donut resigned until Four's return.

X's first appearance in BFB was in "Getting Teardrop to Talk" where they and Four started a competition to win "a BFDI" (a compilation of all season 1 and 2 episodes).

X was also the co-host of Battle for Dream Island: The Power of Two until "X Marks the Spot". However, X returned in "The Great Goikian Bake-Off" as a chef (Along with Four)

Variable X

X is a drawing of the letter X with a yellow body.