My BABIES! I play them in a Homestuck SGRUB-oriented Roleplay :D
Sundry Hemodiverse Expanded Narratives of Alternian Natives Independent from Game Apocalypses and Nascent Sessions
... SHENANIGANS for short.
Trolls are organized by caste!
Trolls in the adult stage of life, out amongst the stars! I interpret Homestuck art literally to mean that adults/ancestors go through a molt and get darker skin, an incredibly large stature, and blood-colored sclera. "Normal adult" versions are also fine, but this is how I like 'em! Big and epic!
Unsure about which group/universe they fit into, but they definitely exist!