Datamon

Datamon is a small Machine Digimon used for restoring computer data. He is known as "Nanomon" in Japan. He is very good at fixing and using electrical equipment, but he does not work well with people.[1] He was once a Vaccine Digimon used to restore crashed computers, but he was attacked by a strong Virus Digimon, which destroyed his logic circuits and made him run wild. Despite his small stature, Datamon can easily delete bigger and stronger Digimon.

Digimon Adventure
Datamon was a wild card who was a sworn enemy of Etemon ever since Etemon severely injured Datamon and imprisoned him within his pyramid for years. However, Datamon managed to rebuild himself over the years and used the DigiDestined to free him by offering the Crest of Love he had on his person. Once that was accomplished, he turned on them and kidnapped Sora and Biyomon with the intent to use their power to destroy Etemon. The Prisoner of the Pyramid But when Sora refused to help the revenge-driven villain, he was forced to create a clone of her.

Though he wanted to destroy Etemon, Datamon was willing to do all the wrong things in order to get there. But when his revenge plan to use Biyomon and the Sora-Clone to kill Etemon failed, Datamon infected the Dark Network with his Plug Bombs, causing the Network to suck in every Digimon in the area and absorb their data and Datamon was no exception.

In Ultima, this same Datamon is.

Attacks
 * Digital Bomb/Nano Spores (Plug Bomb): Fires several computer viruses from his fingers, which can delete enemies.
 * Data Crusher (Nano Crush): Flattens enemies with giant shards of glass.