They're sociopaths no matter if it's a joke or not.
Sometimes it's an obvious joke and just for fun; yes of bad taste, but admitting it's of bad taste shows that you understand right from wrong despite choosing the latter. However, if it consistently keeps happening, the person might not be right n the head
Whaleriah, Bleach and Tayloose really deserve to die in terrible agonizing deaths. First someone should throw acid on them, wait 30 mins for their bodies to turn into melting skin, then set them on fire and sit and relax while their excruciating sounds fill your heart with joy& happiness.