Whirly

Whirly is a crab virus in Mega Man Battle Network 5. It moves up and down it's column until it rushes into the target's field. It will move along the row until it reaches the same column as its target. When it reaches the same column, it will move towards the target on the same column. After that cycle, it goes back onto its side of the field.

Whirly
Whirly is a red variant with a black head.

WhirlyEX
WhirlyEX is a blue variant with a red head.

Swirly
Swirly is a yellow variant with a dark green head.

SwirlyEX
SwirlyEX is a purple variant with a blue head.

Spiraly
Spiraly is a dark red variant with a dark red head.

SpiralyEX
SpiralyEX is a black variant with a black head.