Pengi, known as "Koripen" (コリペン,"Koripen"?) 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 NaviChips.
Pengi is a purple variant with red beak and yellow hair.
Penga (コリペンタン) is a green variant with orange beak and tan hair.
Pengon (コリペンタロー) is a yellow variant with purple beak and purple hair.
PengiΩ is a blue variant with purple beak and orange hair.