My. Mopsey, as shown when Numbuh 3 was carrying him.

Mr. Mopsey is a stuffed toy cat belonging to Numbuh 3. Its first and only appearance is in Operation: L.I.C.E. Mr. Mopsey is implied to be one of Numbuh 3's favorite stuffed animals, due to her carrying him throughout the entire episode.


  • In Operation: L.I.C.E., Numbuh 3 mentions having other favorite stuffed animals as well, the others being Mr. Winkle Snob, Marry Pizza Face, Little Roosey Mockleupadis, Little Pepe Pie, and Mr. Dinkle Doo.
    • Apart from her Rainbow Monkeys, Numbuh 3 is only known to have given names to these stuffed animals.

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