* After the battle is over, The Siren's skull will lie on the floor. Breaking the skull will unlock the [[Song of the Siren]].
* Having the [[boir:Dry_Baby|Dry Baby]] will make it harder to kill her due its [[boir:The_Necronomicon|Necronomicon]] effect.
*Her "ring" attack in which tears emit from her and split once far away is almost identical to that of the Gorgun's, a boss from the game Enter the Gungeon.
*The Siren was not in the initial version of Antibirth, but was patched in about a day after release.
== Seeds ==