Zudomon

Zudomon is a Sea Animal Digimon. His name originates from the Japanese word zudon, the sound of a thud.

Zudomon resembles a giant gray and orange walrus wearing a turtle shell with large spikes coming out of it, he generally carries a large metal hammer and he has a horn that absorbs electricity.

A digivolved type of Ikkakumon that walks on two legs. It uses the hides and shells of defeated enemies for its armor and has made its horn into a saw. Its main weapon is "Thor's Hammer."

Digimon Frontier
Some smaller than usual Zudomon were seen at the Great Trailmon Race.

Digimon Data Squad
When the DATS members and Akihiro Kurata's group appeared in the Digital World near Mercurimon's castle, Gotsumon unleashed a Zudomon on them. He prevented Masaru Daimon and Agumon from attacking him. It took MachGaogamon and Lilamon to defeat him.

Digimon World 2
Zudomon digivolves from Ikkakumon and Tortomon, and can digivolve to Plesiomon or MarineAngemon depending on his DP. His speciality is Ice and his special weapon, Vulcan's Hammer, allows to attack 2 Digimon at once.

Digimon World 3
Zudomon is only available as a Blue Ultimate Card with 34/30.

Digimon Digital Card Battle
Zudomon belongs to the Water card group. It has 2090 HP, 700 circle attack, 490 triangle attack, and 330 Fire X3 cross attack. Support effect: "If opponent's speciality is Fire, opponent's HP are halved."

Digimon Dawn/Dusk
Zudomon can digivolve from Ikkakumon, and digivolve to Vikemon.

Digimon World DS
Zudomon digivolves from Ikkakumon, and can digivolve to Vikemon or Neptunmon. Zudomon also appears at the Hard Mountains.

Attacks 
 * Vulcan's Hammer (Hammer Spark): Slams his hammer on to the ground, shooting a destructive wave of energy, mostly shaped as an arrow towards his opponent.
 * Blizzard Tusk (Horn & Tusk): Attacks with horn and tusks.
 * Hammer Boomerang: Swings his hammer like a boomerang at his opponent.
 * Glacier Spear: Shatters enemy with icicle spears.
 * Ice Lord Bump: Sends a wave of ice to attack the foe.
 * Vulcan Vengeance (Vulcan Revenge): Smashes his hammer really hard on the ground, causing energy to radiate from the hammer, damaging foes and blasting them back.