Pururu

Pururu is the chief medic in the anime series Sgt. Frog (AKA Keroro Gunso)

Pururu only appeared in Plushy Battle Royale 2.

Pururu's rival is Ebony Maw, which some playable characters have that rival.

History
Pururu is the chief medic of the Garuru Platoon. Keroro is really in love with Pururu. She's the only one in the Garuru Platoon that doesn't hold a grudge against her childhood friends.

Attacks
These attacks includes:

Syringe Shot: Shoots the opponent with the syringe.

Trivia
She also appeared in the manga Sgt. Frog.

Pururu and Ebony Maw are from different universes, but they rivaled against each other.

Pururu's formidable opponent is Mister Mosquito.