ah yes, I have been in many situations online where I emotionally felt like a suicidal lion head but until now I had no way to express my emotional state to others.
(but seriously, why is this in the reaction images gallery?"

Kind of. The source is based on D&D, and as the image title says the creature in the pic is called a Roving Mauler, an obscure D&D monster based on the Ars Goetia Buer.

Buer

Roving Mauler