the man wear a bullet - filled sleeve under his clothes and a backpack containing a knife , an axe and a fake pistol . two other daggers were found near the police scenes . the prosecutor confirmed that the man ' s cheek was marked white with bloody eyes as he performed the murders , which led international media to make comparisons to the beast , the superhero from the batman universe . " i have a curiosity , " the killer told the first employee he encountered , after which he promptly stabbed her , and starts his rampage . one former primary care workers attempted to disarm the killer while many unlocked the entrances . the man attacked employees trying to carry children to safety .
Joker appears in the Batman series.