Ikkakumon

From the Digimon' series, Ikkakumon' is the digivolved form of Gomamon. He is a large, walrus-like creature, with a horn on his head.

Evolution

 * Baby - Pitimon
 * In-Training - Bukamon
 * Rookie - Gomamon
 * Champion - Ikkakumon
 * Ultimate - Zudomon
 * Mega - Plesiomon

Abilities
His fur can withstand the coldest of lands. When he's not moving, his giant body is like a white gun platform.

Attacks

 * Harpoon Vulcan (Harpoon Torpedo): The horn on his head can shoot many times in a row.
 * Heat Top: His horn becomes very hot and he strikes opponents with it
 * Horn Attack: Thrusts his horn upwards
 * Icicle Coat: Covers everyone in about a metre radius with ice

First Season (Digimon Adventure)
Gomamon first digivolved to Ikkakumon to protect Jou from the Black Gear infected Unimon. Since then, Ikkakumon has fighting various enemies like Devimon, Etemon, & the henchmen of Myotismon.

But on August 3rd, Jou & Takeru tried to get back in Odaiba on Ikkakumon. However, they get ambushed by Mega Seadramon when they were passing Rainbow Bridge. Jou reailabily saving Takeru from drowning which gave Ikkakumon the ability to digivolve to Zudomon, who defeated MegaSeadramon. Afterwards in most battles Ikkakumon would only appear briefly just before he would evolve into Zudomon.

Other than being used for battle Ikkakumon is also used as a ferry for traveling across the water.

Second Season (Digimon Adventure 02)
One year after their adventure, Jou & Gomamon were reunited and Jou gave up his Crest-power to free the Soverigns. As a result, Gomamon lost the power to become Zudomon. Two years later, when the Digimon Emperor was conquering the DigiWorld, Gomamon was among the old generation Digimon to help the new gang out, appearing four times as Ikkakumon.