NailPorpoimonmon is an Armor Champion level Digimon whose name and design are derived from nail porpoise. Its rivalry are ScytheDolphimon and Dolphmon. NailPorpoimon lives in the Net Ocean with both of its rival. When three Digimon reunite a huge wave sometimes appears.
- Nail Crush : Crushes the enemy with its tail.
- X-Tail Inferno : The nail tail burn into fire and marks an X to the enemy.
- Nail Spiral: A spiral attack which cause the enemy to be paralyze.