Mowzer is a brown mouse character whose only appearance is in the final episode of Hello Kitty's Furry Tale Theater, The Phantom of the Theater. In that episode, Mowzer played tricks on the rest of the cast. Hello Kitty and her friends soon found him out and then Mowzer revealed he was trying to save "his" theater. After some talk, Mowzer and the others agree to take a shared responsibility of the theater. Now Mowzer is among the cast members.
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