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Candace adores Phineas and also Foster.
Candy has deep affection for Philip, and Felix.
Fred holds a special place in the heart of Candy, and Foster.
Cathy finds joy in being with Finn and Ferb.
Fred is cherished by Cara, and also Felix.
Cassandra both Finn and Frank.
I hope you find these variations helpful!
Lord of the Firesides