Molecules make up all the matter around us. Their interactions allow us to think, move, and feel, and provide us with countless spectacles of nature. Some are simple whereas others are hugely complex. In order to keep track of all of these, molecules follow strict naming rules which describe their shapes, properties, or how they were discovered. This affords little room for fun names, but every so often one slips through.
Arsole is a pyrrole molecule with an arsenic atom in it. Its name is purely based on the standard chemical rules for naming, but is quite an amusing name nonetheless.