Grizzlymon

Grizzlymon is an Animal Digimon that resembles a bear. His name comes from Grizzly Bear. He is known as Grizzmon in Japan and by Bandai America. He looks a bit like Gaogamon.

Digimon World 3
Grizzlymon digivolves from Bearmon, and can digivolve into GrapLeomon.

Digimon World DS
Grizzlymon digivolves from Bearmon, and can digivolve into ShadowWereGarurumon. Grizzlymon also appears in Steamy Jungle.

Digimon World Dusk/Dawn
Grizzlymon digivolves from Kumamon, and can digivolve into Monzaemon or Pandamon.

Attacks 
 * Crescent Moon(Crescent Dong): The symbol on his forehead glows and he attacks with a moon shaped beam.
 * Maul Attack: Bites enemies with sharp teeth.
 * Roar Screech: Roar really loudly that the sound waves make the enemy unable to move/attack.

Notes and References
in digimon season 9 davis bumped into this digimon under controll of a black ring