When Rhinokey's pranks go too far, costing Hoppo a spot in the ballet, the group get him a Mockingbirddog to give him a taste of his own medicine. Realizing who did it, he's ashamed enough to banish himself from town, but when the Mockingbirddog releases all the others and they get into his collection of gags to pull tricks with, the others need his skill to subdue them. Written by
Did You Know?
Simply put, a Mockingbirddog is an imitative creature that's half-mockingbird, half-dog, and can drive ya half out of your mind.
References The Seven Year Itch