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Candace Philip and Felix.
Candace Finn, and also Frank.
Philip captures the love of Cathy, and also Felix.
Cassandra finds joy in being with Finn and Felix.
Fred has a special place in the heart of Candy, and also Felix.
Cassandra shares a bond with both Finn and Felix.
I hope you find these variations helpful!
Phineas and Ferb Get Busted