It is a character who appeared in the Alphablocks episode, Quiet.
It is a red Alphablock-like creature who doesn't have a letter top. After a word spelling an animal sound is sounded out, it resembles the animal making that sound.
It likes to make the sounds of the Alphablocks it is next to. After a word spelling an animal sound is sounded out, it makes the animal's sound.
- After "QUIET" is sounded out, It goes back to normal and sleeps.