Tsubumon

Tsubumon is a fictional character from the Digimon franchise. Tsubumon is the Baby form of Armadillomon. His name comes from the Japanese word "Tsubu," which means a grain or a drop.

Digivolution
Tsubumon's Digivolution line in Digimon Adventure 02 :''
 * Fresh (Baby I) - Tsubumon
 * In-training (Baby II) - Upamon
 * Rookie Child) - Armadillomon
 * Champion (Adult) - Ankylomon
 * Ultimate (Perfect) - N/A
 * Mega (Ultimate) - N/A

At the Champion stage, Ankylomon is able DNA Digivolve with Angemon.

Tsubumon in Digimon Adventure 02 has no known Ultimate and Mega forms.

Tsubumon's Digivolution options in the Digimon Card Game :
 * Digivolves to: Upamon

Attacks

 * Bubble Blow (Acid Bubbles): An attack that involves firing bubbles from the mouth.

Digimon Adventure 02
Tsubumon often appeared after Shakkoumon de-digivolved. Tsubumon's first appearance was when Azulongmon ceased BlackWarGreymon's rage.

Digimon Tamers
A Tsubumon was among the shadowed Digimon that wanted Rika as their tamer.

Digimon Frontier
A Tsubumon was seen at the Village of New Beginnings run by Swanmon.

Island of Lost Digimon
A Tsubumon was seen among the Baby Level Digimon.