Swamp Rats

A Swamp rat is a species of Rat that can be presumably found in swampy areas of Ninjago. When the Anacondrai Cultists captured Pythor who refused to run. To force him to run so he could collect sweat Zugu put a Swap Rat named Rodrigo to force him to run and thus Master Chen collected sweat from the exhausted who was forced to run for  his life on a spin wheel.