She was born in Queens, New York but moved to Long Island at the age of 6 months old. She got her powers after a crazy cat bit her at the age of 4. The cat was radioactive. She was almost recruited by The Demon, but she managed to get away, only to be captive by The Demon's strongmen. She managed to escape and has sometimes joined forces with Team Demon Light.
She is very energetic, and loves to giggle a lot.
She is a humanoid cat warrior. She knows hand-to-hand combat, and weapon combat.
- Echo is the sister of Scarlet Outlaw.