Tekkamon

Tekkamon is an Ultimate Level Machine Digimon that looks like Giromon except it has no horns, wields a sword and is purple. His name comes from the Japanese word tekkamen, which means iron mask. He was created by an evil hacker with the purpose the "Net Keeper"(Giromon).

Digimon World
Tekkamon first appeared as a mini-boss before SkullGreymon in the basement of Grey Lord's Mansion. Later he appeared in Colosseum Tournaments and the Back Dimension.

Digimon World 2
Tekkamon digivolves from Nanimon, and can digivolve further into Piedmon.

Digimon World Dawn/Dusk
He is easily obtainable by Digivolving from a Kotemon to Omekamon to him. In the DS versions he is switched from his normal battle type of Attack to a far more Defensive model, His attack is usually half of his defense in the DS versions.

Attacks
 * Electronic Blast Sword (斬電剣): Loads electrical power in his sword and then he gathers flames on it for a shocking-exploding single slash.
 * Slamming Skull (Skull Stand): A super hard head-butt.