Rolycoly was first discovered 400 years ago in a coal mine. It race around caves in the rough rocky terrain like a unicycle, through the burning red coal that sustain it. Its red eye can illuminate in dark areas. Every house in Galar had Rolycoly which happened about 100 years ago. The coal it drops can be used cooking and heating up homes. Rolycoly's popularity continues even to modern day as it is use for outdoor activities. It is natural enemy to Dwebble.
In the anime
In the manga
In the TCG
This Pokémon was unavailable prior to Generation VIII.