Puffurle is a minor demon the fused with a human girl named Massami Izumi.
Puffurle was a humanoid demoness that resembled a dog. She was covered in white fur, leaving only her face and hands without fur. She has long flopped ears going down to her neck.
It's unknown when Puffurle fused with Massami. However, it's likely during the mass demon suicide run, with Puffurle ended up being overpowered by Masami's gentle nature.
Massami is seen briefly in Hell, lying among the corpses of other Devilmen.