Muffy Peprich (Megan Fahlenbock) was the villain in the 2010 episode "Evil Sorority" for the cartoon series Totally Spies.
Muffy tried brainwashing the pledges of her fake sorority, Phi Epsilon Phi (or "PEP" short), along with all the other sororities at Malibu University.
In "Evil Sorority", she revealed that she was doing it to get revenge for being rejected from every sorority she had pledged to when she entered Malibu University, but she was later defeated and imprisoned.
Her appearance was similar to that of a punk rocker of the 1980s.
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She makes a cameo in the movie.