Octomon

Octomon is a fictional character from the Digimon franchise, a Champion Level Mollusk Digimon that resembles an octopus. It is the Digivolved form of Syakomon.

Evolution

 * Fresh (Baby I) - Pitimon
 * In-Training (Baby II) - Bukamon
 * Rookie (Child) - Syakomon
 * Champion (Adult) - Octomon

Special evolution

 * DNA Digivolution (Ultimate) - Octomon + Coelamon = Dragomon
 * DNA Digivolution (Ultimate) - Octomon + Dolphmon = Scorpiomon

Attacks

 * Spurting Ink Strike (Ocean Ink Gun): Shoots ink out of its gun.
 * Insincerity 
 * Octopus Trap: Traps his enemies with his tentacles.

Digimon 02
The 3 Syakomon that belonging to the Poi Brothers Digivolved to Octomon to fight a Mojyamon until Kari Kamiya and Angewomon and Izzy Izumi and MegaKabuterimon arrived with Jackie (Gennai's Chinese counterpart) to tell them that Mojyamon wasn't evil. One of the Poi Brothers and his Syakomon went to the India/China Border where his Octomon used his Spurting Ink Strike to write "We Come in Peace" on a cliff wall.HE LOOKS LIKE A BIG CHICKEN

Digimon Tamers
2 Octomon were among the Digimon seen through the rip in the sky during Vikaralamon's rampage.

V-Tamer
Octomon was one of Lord Marine's henchmen.

Digimon World 2
Octomon digivolves from Otamamon and Syakomon and can Digivolve to Dragomon.