Death balls (デスゥボール Desu- Booru) are fictional creatures in the animated short Chibi Kero: Secret of the Kero Ball!?. They were later adapted into the manga. They are voiced by Etsuko Kozakura, the voice actress for Tamama.
Character[]
The Death balls are found in the training course inside the Kero ball. In the first course, several chase after the participants through an obstacle course laid out like a pinball machine. In the next one, hundreds of them swarm and attack.
Their voice, symbol, love of sweets, and name (desū, as in ですぅ in hiragana) reference Tamama.