X is the 24th letter in the Alphablock gang.
X is voiced by David Holt in the UK and John DiMaggio in The US.
Birthday: May 7, 1969
Colour: Yellow, blue and red
X is a yellow and blue Alphablock. He wears a black mask, a red cape, and white gloves and boots.
Family: Mr. X (Father) , Old X (Grandfather)
Friends: Other Alphablocks ,Numberblocks, Numberjacks , Plusman, The Ehh Guy, The YOU! Guy
Enemies: Wiper , Kim, Jane, Joyce, The Ehh Guy (Formerly), The YOU! Guy (Formerly), Killer Robots, Evil Alien, Vikings, Zombies, Big Yeti , Naughty Cats
His alter ego, Plusman, can make compound words. In Plusman's appearance his body is red and orange. And he has the power to make compound words.
- 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, K, 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).
- The "a" sound in Hungarian (lowercase only).
- His superhero occupation is because he has x-ray vision.
- 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)
- the yeti
- The Ehh guy and The YOU! guy returns
- ROBOT ATTACK
- alphablock z meets the aquarium
- buzzy buzz buzz
- the big end
- joke (last apperance)
- X (Battle For BFDI) - Both have the same name and letter and both yellow.
- Mr. Strong (Mr. Men) - Both are strong.
- Amelia (Rubbadubbers) - Both are yellow, red, and blue and they both can fly.
- Octoblock (Numberblocks) - Superhero
|A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z|
|Q W E R T Y U I O P|
|Common: A, E, I, L, N, O, R, S, T, U|
|Towering Intellects: I, J, T, L, E, F|