Lord of the Firesides
Sure! Here's the requested content in spun format with synonyms:
Candy is crazy about Phineas and Ferb.
Cassandra Fred, and also Ferb.
Finn holds a special place in the heart of Candy, and Ferb.
Cara takes delight in being with Phineas and Felix.
Fred
Cassandra, and also Ferb.
Cara both Fred and Foster.
I hope you find these variations helpful!