Chibomon

Chibomon is a Slime Digimon whose name is derived from the Japanese word "chibi" meaning "tiny". It is friendly and sociable, always brimming with curiosity, but is quite weak. However, it is able to digivolve into any Dragon Digimon.

Digimon Frontier
Many Chibomon are seen at the Village of Beginnings.

Digimon Adventure 02: Tag Tamers
Chibomon digivolve to DemiVeemon in lines 1 and 22.

Digimon Tamers: Tag Tamer
Chibomon are common enemies. The Chibomon card increases a Digimon's attack.

Digimon World DS
Chibomon is only obtainable from a DigiEgg. Chibomon can digivolve to Veemon or SnowAgumon.

Digimon World Dawn/Dusk
They can be found in Task Canyon. They are treated as an In-Training Digimon and can digivolve into either Veemon or Monodramon. To degenerate to Chibomon, the digimon must be at LV 4, but will only degenerate if you've befriended Chibomon.

Attacks 
 * Bubble Blow (Acid Bubbles): Fires bubbles from its mouth.