rule 34 2021 5 fingers arm markings ass big dom small sub big eyes big smile black heart black horn black markings black spines black tail blitzo helluva boss casual sex chest markings colored convenient censoring demon dialogue digital drawing artwork digital media artwork duo english text facial markings facing away facing viewer fellatio front view head spines heart helluva boss humanoid humanoidhumanoid humanoid hands humanoid only implied fellatio implied oral implied sex kneeling lanky leg markings legs spread light logo long fingers looking at viewer male malemale male only moxxie helluva boss nude male onomatopoeia open smile oral oral penetration oral sex purple background red background red eyes red skin red tail sex sounds shaded signature simple background size difference slim spade tail spotted skin standing striped horn striped tail sucking sucking penis suggestive surprised tail markings tail spines thebigblackcod three quarter portrait three quarter view toony trembling two tone horn two tone skin two tone tail waving waving at viewer white hair white horn white markings white skin yellow sclera yellow teeth 5069074