Puffy (porcupinefish)

Puffy, known as Senbon (センボン) in Japan, is a virus in the Mega Man Battle Network series that resemble a blowfish. They only appear in Mega Man Battle Network 6.

Puffies remain stationary and attack by shooting needles in an arc onto the panel MegaMan is currently standing on. If Puffy is hit, but not deleted, it will inflate and shoot out two needles; if it is hit a second time, it'll inflate again and fire three needles in quick succession (once a needle has landed, the panel can be stepped onto safely). Because of this, these viruses should be deleted in as few hits as possible. As Aqua-type viruses, Puffies are weak against Elec-type attacks.

Puffy
Puffy is a pink variant.

Puffy2
Puffy2 is a purple variant.

Puffy 3
Puffy3 is a yellow variant. They sometimes have a Barrier chip.

PuffySP
PuffySP is a dark purple variant. They sometimes have a Barrier and Barr100 chip.

Rare Puffy
Rare Puffy is a white variant. They sometimes have a Barrier chip.

Rare Puffy 2
Rare Puffy 2 is a dark pink variant. They sometimes have a Barr100 chip.

Battle Chips
Deleted Puffies yield the Aqua Needle series of Battle Chips.

Trivia

 * Puffy's Japanese name, "Senbon", is derived from "harisenbon", Japanese for porcupinefish.
 * This virus shares its English name with another virus appearing in Mega Man Battle Network, Mega Man Network Transmission, and Mega Man Battle Network 2.