Sprocket is the name of the dog on Fraggle Rock who was puppeteered by Steve Whitmire and assisted by Karen Prell.

Sprocket was Doc's dog, he has the intelligence of a human and can communicate with Doc.
From Webster's:


1 : a toothed wheel whose teeth engage the links of a chain
2 : a cylinder with teeth around the circumference at either end that project through perforations in something (as motion-picture film) to move it through a mechanism (as a projector)

Sprock"et (?), n. [Etymology uncertain.] (Mach.)


A tooth or projection, as on the periphery of a wheel, shaped so as to engage with a chain.


A sprocket wheel.


© Webster 1913

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