Ferbs "Ferb" Fletcher is one of the two main protagonists in the animated television series Phineas and Ferb. Voiced by British actor Thomas Sangster in Phineas and Ferb's original run and Phineas and Ferb the Movie: Across the 2nd Dimension and American actor David Errigo Jr. in the Milo Murphy's Law episode "The Phineas and Ferb Effect", Phineas and Ferb the Movie: Candace Against the Universe, and Phineas and Ferb's revival run, with a singing voice by series composer Danny Jacob, he was created by Phineas and Ferb co-founders Dan Povenmire and Jeff "Swampy" Marsh. From Wikipedia
