The painting is called Pugling, which is a pun on "Nurgling" and "pug". A Nurgling is an adorable blob of decay and pus and teeth, a sort of pet/parasite of a deity named Nurgle.

Warhammer 40k conquest issue 2 opening and review #warmongers #nurgle

A champion of Nurgle, the chaos God of death, pestilence, rot, decay and disease in the Warhammer Universe. Nurgle was always my favorite. I have not played in years but still enjoy painting the occasional

That was one of the worst bouts of gastroenteritis ("stomach flu") I have ever had. The worst was over in 24 hours, although the occasional Nurgling still seems to rear its ugly head even now.