They are mostly more subtle, at least the ones that I've heard. Maybe it's because I've read them at school or at libraries and such. Anyways, since I've never seen one in English before, I say you do as you please as you already know the basics.
That's exactly the idea of making fun of death we have over here! There's a big death culture over here, as you can figure it out from el Día de Muertos.
I'm not only happy you like
Calaveras, I'm also happy I like 'em.