The Mopsey Sisters were characters who served as temporary replacements for The Warblettes for a one year period from 1978 to 1979 on the Portrait Stage at Pizza Time Theatre.

The Mopsey Sisters were three mop-like girls who had sticks for bodies and mops for their hair. They were an animatronic figure placed with the aesthetic of being in a barrel. This animatronic had googly eyes (which would rock back and forth as the sisters moved) as well as latex faces of the time. In addition, The Mopsey Sisters sang backup vocals, but ended up getting retired and were replaced by The Warblettes once again in 1979 after only a year of use.

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