Gizamon

Gizamon is a rookie Level Aquatic Mammal Digimon who can be very domineering in the water.

Attacks

 * Spiral Edge: He rolls up in a ball and does a spinning attack.
 * Frog Kick

Digimon Adventure
A bunch of Gizamon were henchmen of Myotismon, attacking almost everyone near Tokyo Bay. But They were eaten alived by Myotismon's Aplha Bats, so they their energy can be used in the birth of VenomMyotismon.

Digimon 02
In the frozen part of the Digital World, the Digimon Emperor had a bunch of Gizamon build a prison there and offered a reward if they do one thing: sereverly hurt Gomamon. Unfortunately, the reward was a bunch of Dark Rings. Later on, two Gizamon were partners to two unnamed Australian Digi-Destined. A Gizamon appeared during the final battle against MaloMyotismon.

Digimon Tamers
A Gizamon was among the shadowed Digimon that wanted Rika Nonaka to tame one of them. Another one appeared in Ice Devimon's collection.

Digimon Frontier
A Gizamon was seen at the Fortune Teller Village.