Piran

Piran, known as Piranish (ピラニッシュ) in Japan, is an EM Virus from Mega Man Star Force series.

Piran / PiranG
Piran: A red piranha.

Piraner / PiranerG
Piraner: A yellow piranha.

Piranest / PiranestG
Piranest: A turquoise piranha.

PiranSP
PiranSP: A purple piranha. (Star Force 3 exclusive)

Battle Cards
They give the Piranha Kiss (ピラニアキッス) Battle Card.