Titus is a take on a Stethacanthus, which is an extinct shark species from the Late Devonian Period. Honestly he's kind of a mix between the two sub species^-^
"BuT sHaRkS aReN't MaMmAlS! tHeY cAn'T hAvE bReAsTs BeCaUsE tHeY hAvE nO nEeD fOr ThEm AnD tHeY cAuSe DrAg!!!! YoU'rE rUiNiNg ThE mAgIc!!!!" Hehehe, shark tiddy go bounce bounce~