Shellmon

Shellmon (シェルモン) is second Digimon to battle DigiDestined after Kuwagamon. He is Champion Digimon.

Digimon Adventure
In The Birth of Greymon,

In Sea-Sick and Tired,

Digimon Adventure 02
In Old Reliable,

In Digimon World Tour, Part 2,

In A Million Points of Light,