Peggy is the L.B.S.C. tank engine in the YouTube Thomas the Tank Engine parody by cactus190706.
The Rise of Steam
Peggy comes to take Steam Engine away from Sodor and takes him to the steal works.
How the Diesel's Stole Christmas
The Christmas That May Never Come
Allies: Banga, Noob, Steam Engine (formerly)
Enemies: Steam Engine, Diesel, Daisy, Sandy Claus, Flying Scottsman