Ferbs "Ferb" Fletcher is a fictional character in the animated television series Phineas and Ferb. Voiced by British actor Thomas Sangster on Phineas and Ferb and American actor David Errigo Jr. on Milo Murphy's Law and Candace Against the Universe, with a singing voice by series composer Danny Jacob, he was created by Phineas and Ferb co-founders Dan Povenmire and Jeff "Swampy" Marsh. He first appeared in the show's pilot episode, "Rollercoaster". Ferb was born on February 29.
