Ferb Fletcher is Phineas' step brother and one of the stars in The FT Squad's Adventures With Phineas and Ferb. Unlike Phineas, Ferb is very quiet and doesn't speak often, but he speaks a few times. He's very intelligent and smart.
- Ferb will star in The FT Squad's Adventures With Phineas and Ferb along with Phineas and their penpals; the FT Squad, Kyle the Otter, Kaytlin the Otter, Rudy the Alligator, Dennis the Frog, Cassidy the Pelican, Kimmy the Elephant, and their guest allies, Wubbzy, Daizy, Widget, Walden, Simba, Nala, Timon and Pumbaa.
- Ferb will guest star in The FT Squad Rides on the Magic School Bus, The FT Squad Goes to Jurassic Park , ,,,,,,, and The FT Squad Goes to Monsters Inc..
- Ferb will meet Tino, Ash, Timmy Turner, Barney and their Friends in Weekenders Adventures of Phineas and Ferb.
- Ferb will join the team in Doraemon's Adventures of Mickey, Donald and Goofy in The Three Musketeers.
- Ferb will make his first debut in Doraemon's Adventures of Batman.