The Big ImageBoard (TBIB) - 2021 ambiguous gender apode aquatic gastropod black body black text black top hat character name clothing colored dated digital drawing (artwork) digital media (artwork) english text external gills eyeless feral gastropod gills green lock symbol green markings hat hat only headgear headgear only headwear headwear only hi res legless lock symbol male (lore) marine markings mollusk mostly nude nembrotha kubaryana nudibranch orange gills orange markings orange rhinophores red text rhinophores scp-1867 scp foundation sea slug signature simple background slug solo text top hat top hat only variable neon slug white background zal-cryptid