Raremon

Raremon is a Champion Level Ghost Digimon that is slimy and has a putrid smell.

Evolution

 * Fresh (Baby I) - Zurumon
 * In-Training (Baby II) - Pagumon
 * Rookie (Child) - Gazimon
 * Champion (Adult) - Raremon

Attacks

 * Breath of Decay: Fires a green ball from his mouth.
 * Acid Sludge
 * Buffalo Breath
 * Stinking Gas

Digimon Adventure
A Raremon was seen working for Myotismon when it terrorized the bay looking for the 8th Child. Kabuterimon engaged in battle with it and Raremon shot his Breath of Decay attack in his face and pulled him underwater. Kabuterimon broke free and rose to the sky. He destroyed Raremon with his Electro Shocker attack.

Digimon 02
When Digimon started to appear in the Real World, some Raremon were on the India/China Border and one was in Australia being herded to the Great Barrier Reef.

Digimon Frontier

 * Voiced by Dave Wittenberg.

One of the Pagumon skipped its Rookie form of Gazimon and Digivolved to Raremon to fight Koji. Agunimon fought Raremon until he reverted back to Takuya for some reason. Raremon knocked Koji into a hole where he found the Human Spirit of Light and became Lobomon for the first time and defeated Raremon. Another Raremon was seen at the Great Trailmon Race where one was on the track and chased J.P..

V-Tamer
While Taichi Yagami and Zeromaru were talking to a Biyomon, a Raremon attacked them and was easily defeated by Zeromaru.

Other Info
Raremon looks alot like Pok√©mon's Muk; Even simeler smell too.