Two creators, Dan Povenmire and Jeff Marsh, had a chance to meet each other in designers’ convention for series The Simpsons in 1990s, and they have become familiar sharing their personality and sense of humor. Soon, they get along when working in a brand new project, series Rocko’s Modern Life, for Nickelodeon, where they have learnt so many experiences in animation industry. After their success in the new series for Nickelodeon, Povenmire and Marsh got an opportunity working together in series
properly. She had two brothers who she was always at odds with. When she took her life, she left a diary of all her crazy hallucinations about her brothers. This is supposedly how Phineas and Ferb was created. The shows creators, Dan Povenmire and Jeff "Swampy" Marsh voice Dr. Doofenshmirtz and Major Monogram. It took about 16 years for PnF to be developed as a show. Originally, Phineas was planned to be rude and easily