X

X first in XFOHV is now the co-host in Battle for BFDI/BFB

Nicknames

 * Another One (Liy)
 * Silly Boy (Two)
 * Pipsqueak (Lollipop)
 * Little Buddy (Four)
 * Eggs (Cloudy)
 * Xanta (several contestants, non-canon)

Positive relationships

 * Four (best friend)
 * Donut
 * Cloudy
 * Pin
 * Eggy
 * Two
 * Bubble
 * Lollipop
 * Leafy
 * Purple Face
 * Everyone (except enemies)

Negative relationships

 * Snowball
 * David
 * Pencil
 * Pen
 * Tennis Ball (possibly, on X's side)[BFB13]
 * Cake
 * Four (at times)
 * Donut[BFB2]
 * Blocky[BFB20]
 * Taco[BFB20]
 * Flower[BFB23]
 * Gelatin[BFB28]