Sure! Here's the requested content in spun format with synonyms:
Cassandra Finn and also Ferb.
Cara Philip, and Ferb.
Phineas has won the affection of Candy, and also Foster.
Candy finds joy in being with Phineas and Foster.
Phineas is cherished by Cathy, and Ferb.
Candace shares a bond with both Phineas and Felix.
I hope you find these variations helpful!