X is the 24th letter in the Alphablock gang.
X is voiced by David Holt.
X is a yellow and blue Alphablock. He wears a black mask, a red cape, and white gloves and boots.
Alter Ego Edit
His alter ego, Plusman, can make compound words. In Plusman's appearance his body is red and orange.
- X's letter means 10 in Roman Numerals.
- He is one of the 7 Alphablocks whose lowercase letters above their head are shaped like their capital form. The others are C, O, S, V, W, and Z.
- X's capital/lowercase shape makes:
- The "kh" sound in Cyrillic languages.
- The "ch" sound in Greek (capital only).
- Alphablocks (first appearance)
- Cha-Cha-Cha (cameo)
- Fox (sound only)
- On (sound only)
- Little Red N
- Frog on a Dog (sound only)
- Fair (sound only)
- Clap (sound only)
- Plusman (last appearance)
- X (BFDI) - Both have same name and letter and both yellow.
- Mr. Strong (Mr. Men) - Both are strong.