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. 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 Frontier
A merchant at the Autumn Leaf Fair, Datamon obtains the four D-Tectors from the Toucanmon. Though he appears to want to help Tommy Himi and Arbormon, it is clear that his motive is simply a desire to make money. At any rate, this Datamon ends up a good guy, for he refuses to help Arbormon after seeing Tommy's bravery and honesty in the camcorder the Toucanmon bought from Datamon. His assistance turns out to be of great importance, as he gives Tommy his Beast Spirit, which is hidden in a game Tommy beats for him. He is also among the Digimon leaving the Autumn Leaf Fair when the Royal Knights target it, but he earlier helps the DigiDestined, Sepikmon and three of the Toucanmon prepare a defense against them.

A trio of other Datamon are seen in the employ of Mercurymon and Ranamon, attempting to remove the Spirits from the D-Tectors when they capture Tommy, Zoe Orimoto and J.P. Shibayama. When Agunimon and Lobomon free them, the Datamon quickly make themselves scarce.

Digimon World 2
Datamon digivolves from Guardromon. He is Machine specialty and his special attack is Digital Bomb.

Digimon World 3
Datamon is a boss found in Asuka's Sewers, in the Control Room. After he's defeated, he gives you Rusty Glove. He is also available as a Brown Ultimate Card with 28/22.

Digimon World Dawn/Dusk
In Digimon World Dusk, Datamon is found in the Chaos Brain field. He can also be digivolved from Raremon at level 35 with 4400 Machine EXP, and can later digivolve to Parasimon at level 48 with a MinAPT of 52, and with 8800 Dark EXP.

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.