* Kachinas are spirit beings in Hopi culture, often depicted as dolls. They represent various aspects of nature, animals, and ancestors.
* Road Runner is a cartoon character created by Warner Bros.
It's possible you are mixing up these two concepts.
Perhaps you're thinking of a Kachina doll that represents a bird, but not specifically the Road Runner. There are several Kachina dolls that depict birds, representing different aspects of nature, like the Hawk Kachina, which represents power and vision.
If you can provide more details about what you're looking for, I might be able to help further.