Sure! Here's the requested content in spun format with synonyms:
Candy Fred and Felix.
Cathy Philip, and also Foster.
Phineas holds a special place in the heart of Candy, and Felix.
Cara takes delight in being with Phineas and Foster.
Finn
Candace, and also Frank.
Cara has a deep connection with both Phineas and Frank.
I hope you find these variations helpful!