Parrotmon

Parrotmon is the main villain in the first Digimon movie. He also appears in Adventure and Frontier. His attack is Sonic Destroyer.

Digimon Adventure (the movie)
Eight years ago, a Parrotmon appeared in the real world and was destroyed by a Greymon different from the one in the series.

Digimon Adventure
Parrotmon was featured in flashbacks on what happened four years ago and was identified when an entity possessing Hikari Kamiya showed them a flashback of 4 years ago.

Digimon 02
A Parrotmon was among the Digimon seen being herded to Central Park. Another one was seen during the final battle against MaloMyotismon

Digimon Frontier
A Parrotmon was seen within Sakkakumon's Thunder sphere and was easily defeated by Agunimon.