Coronamon

Coronamon is a Rookie Level Digimon. Coronamon's opposite seems to be Lunamon. This Digimon from appearance seems to be a beast Digimon. See a picture of Coronamon as well as its opposite, Lunamon at:

Evolution

 * In-Training - Sunmon
 * Rookie - Coronamon
 * Champion - Firamon
 * Ultimate - Flaremon