Fan Casting Creepy Cockroach in Sort by Tropes

They crawl, they swarm, they eat leftover food, they stink, and they scatter when exposed to bright light (and some varieties can even fly). Roaches are also incredibly hardy — some being able to survive without food for about a month — and very adaptable to many environments, preferably those that are warm and moist. It doesn't help how slimy and uncannily fluid they seem to move about even compared to other insects (their uncannily clean appearance compared to other insects owes to them actually being massive Neat Freaks, as they constantly groom themselves with their antennas to keep their senses heightened).