A quiet and polite friend of Peppermint Patty who speaks formally.
Marcie is part of Charlie Brown's wider friend group and supports the reconciliation.
Marcie joins Peppermint Patty at Charlie Brown's gathering and later helps address Patty's treatment of him.
Their close friendship is shown through shared attendance and Patty's reliance on Marcie.
Marcie arrives with Peppermint Patty, and Patty asks Marcie to apologize to Charlie Brown on her behalf.
They share participation in the same visiting friend group.
Marcie and Franklin both join Peppermint Patty at Charlie Brown's improvised Thanksgiving meal.
Snoopy performs a serving role for Marcie and the other guests.
Snoopy deals out plates as the assembled friends begin their Thanksgiving meal, including Marcie.
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