Blue Phazer is a hero working with Longbow in the Rogue Isles. She is known to possess a robotic super-suit which allows her to manipulate high-energy fields.
During the Defeat the Vigilantes mission, she says the following:
Before Combat: Stand fast, guys. This Villain is just a punk.
After defeating a player: Wait a second. You're Villain?
Jeez, and I thought this was gonna be hard.
- Blue Phazer's Longbow profile for a list of her powers