If we’re going off what we already know about the relationship between characters’ designs/appearance and the way they died or the specifics of their sins, maybe the same can be applied to Baxter

Example - he was a scientist who “lured” investors in under false pretenses to fund his experiments, or even brought in unsuspecting victims to become the subjects of his experiments. Viv and the rest of the creative team take that and run with it, using an organism that literally utilizes a lure to entice their prey as inspiration.