The Shadow

Not to be confused with The Shadow (Episode) The Shadow is an assassin who worked for Cupid.

Backstory
The Shadow was hired to kill Mayor Sven Teece. She killed some of the bodyguards, but she didn't kill Teece. Afterwards, she was told to kill Oliver, who new some of Frank Wilson's secret dealings. She worked with Dean Wolfenstein, but she failed when Oliver's new friend Charlie shot her in the leg. She did however kill half of the Police Force by herself, proving that even though she had failed some of her missions, she was still a lethal killer.

Biography
Falcon was born in the Himalayas to Australian parents. Her parents died in an Avalanche when she was 4, and she was bought up by the Order of the Shadow Monks, a group of mysterious Ninja Monks. They taught her fighting skills and even gave her a Ninja costume, but by the time she was 20, she was growing bored, and she left the temple for a life of crime.