Being a renowned entertainer wasn't enough for Siren. Along with singing and playing the harp, she also briefly branched out into a life of crime. She planned her capers well, leaving nothing to chance, and using her hynotic voice to get rid of anyone who opposed her.

But in the end, good triumphed over evil, as it often did in Gotham City, and she had to sing a note that supposedly destroyed her voice forever. But who knows what could happen with enough tea and honey...


From time to time, a villain will slip into a guise in order to further their criminal deeds. These aliases could be just a name or they could include costumes and make-up. In every case, however, Batman and Robin would eventually see the real evil behind the mask. What follows is a list of aliases used by Joker.

Weapons and Equipment

Known Associates

Allegro, Andante- simple henchmen. They often had to wear large protective headgear to avoid being entranced by Siren.

Riddler- assisted him when he was trying to get control of Gotham City boxing.


To some people villainy is a job; but, unlike the rest of the law-abiding citizens of Gotham City, villains do not work in an office, factory, or from their own homes. They must establish a 'hideout' from which they can organize and orchestrate their evil deeds.

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