Sukamon

Sukamon (スカモン, Scumon) is friend of Chuumon. He is Champion Level Digimon.

Digimon Adventure
In A Clue From  the Digi-Past,

In The Gateway To Home,

In Enter The Dark Masters,

Digimon Adventure 02
In The Samurai of Sincerity,

In Digimon World Tour, Part 1,

Digimon Adventure:
Sukamon is one of the Digimons who lost its home to Millenniummon’s rampage, and then it helped Takeru, Tai, and Leomon, along with other homeless Digimon, push ElDradimon to Cloud Continent.