Pengi

Pengi, known as "Koripen" (コリペン) in Japan, is a penguin-like virus from Mega Man Battle Network 3. It shoots icicles at its target that bounce between it and its target. It waves back and forth. When on ice panels, it is invincible to everything except Navi Chips. Higher versions are also able to use the Ice Stage Chip.

Pengi
Pengi is a purple variant with red beak and yellow hair.

Battle Chips
Ice Wave (アイスウェーブ) is the Battle Chip from Pengi viruses.