>Nidoran appears to be based on a porcupine, rabbit, mouse, or a hamster, as seen by their aggressive nature towards one another.
-Nidoran
>Nidoqueen shares traits of rhinoceroses, gorillas, rabbits and porcupines. The coverings on its chest and its lower abdomen collectively resemble a two-piece bikini worn by human females.
-Nidoqueen
>Nidoking shares traits of rhinoceroses, gorillas, rabbits and porcupines.
-Nidoking
Basically a mix of a few small creatures, then some parts ressembling rhinos and gorillas.