Sirens

Sirens are an timefareing alien species from an unknown planet.

World War 2
The arrival of sirens, and getting Mental Cubes kicked of a huge part of WW2. Allying with the Sakura Empire and Iron Blood Factions. During this time, the SCP Foundation captured and obtained a Scavenger Class Siren.

Project Orochi (Test 1)
Project Orochi is a Project to create an all powerful siren. The first test was conducted, and thwarted, by the combined efforts of Iron Blood, Sakura Empire, the Eagle Union, and Royal Navy.

Operation Siren
Operation Siren was a genocidal campaign lead by the Eagle Union to wipe out the Sirens. It was a partial success, but conceded after the discovery of META ships, and Eldridge from 2152 launching curiosity within Observer Alpha to interact with the Black Dawn at the capture of The Asset.

Event 1: Convention
The sirens first appeared in Event 1: Convention where a Omitter investigated the Black Dawn pre Attack. It is later shown Observer Alpha was present on a transport that captured The Asset.

Noteable Sirens
Betawave (The Omnitrix's sample of an Siren)

Observer Alpha

Omitter

Purifier

See Also:
Mental Cubes

Ship Girls