Pukumon

Pukumon is a Mutant Digimon in the form of a pufferfish with arms. He is mutated from the computer virus made by the top hacker in England. He prefers to use his fists in a fight.

Digimon Adventure 02: The Road to Armor Evolution
Pukumon encountered Boltmon at Ueno Park on Valentines Day, in the guise of a strange figure with weird hair. He was the one who talked Boltmon into causing the chaos at Ginza in order for all the DigiDestined of Tokyo to be in one place so he could destroy them personally. To increase his chances, he brought a Control Spire with him to hinder any Digivolution, except Armor Digivolution. After a mix-up of D-Terminals, Pukumon was sent running after the beating he took from Saggitarimon, Pteramon, Butterflymon, Manbomon, Rinkmon and Pucchiemon.

Digimon Tamers
A Pukumon was among the Mega Level Digimon that appeared to help the Sovereigns fight the D-Reaper.

Digimon World 2
Pukumon digivolves from Dragomon, MarineDevimon, ShogunGekomon and WaruSeadramon.

Digimon World 3
He apears as a random enemy in magasta military base.

Digimon World Dawn/Dusk
Pukumon digivolves from Scorpiomon and can be found in Macro Sea.

Digimon World Championship
Pukumon Digivolves from Divermon from passing time Attacks
 * Needle Squall: Fires the quills from his body
 * Globefish Poison