<P> Throughout the series, Doofenshmirtz's flashbacks (which are often shown after Perry has been captured) explore his mentally abusive and lonely childhood growing up in the fictional village Gimmelshtump, Druelselstein . Before becoming an evil scientist, Doofenshmirtz was a bratwurst vendor until being put out of business by the hot dog industry . Doofenshmirtz usually monologues and displays acts of cartoon - style physical violence towards his nemesis Perry, a skilled anthropomorphic platypus secret agent . His last name is frequently abbreviated to "Doof". Doofenshmirtz appears in several merchandise pieces, particularly the book series, and the video game . </P> <P> In the 2011 TV film, Phineas and Ferb the Movie: Across the 2nd Dimension, an alternate reality (yet more intelligent and successful) version of Dr. Doofenshmirtz appears, with the regular Doctor Doofenshmirtz serving as a supporting character . 2nd Doofenshmirtz later returns in the episode sequel, Tales from the Resistance: Back to the 2nd Dimension . </P> <P> Baljeet Tjinder (voiced by Maulik Pancholy) is Phineas' and Ferb's friend and neighbor . He wears blue overalls, despite being in grade school . A shy, intellectual, and polite boy who moved to Danville from India, he often helps the boys with their ideas and displays his knowledge of algebra and trivia . He also has a compulsive need to get good grades . </P> <P> Carl the Intern (Tyler Alexander Mann) is Major Monogram's young unpaid intern of the O.W.C.A. (Organization Without a Cool Acronym) in charge of video taping Monogram when he is being interviewed and talking to Agent P. He is a bit careless, wears glasses, and sometimes forgets to focus the camera correctly . </P>

Who plays the indian boy in phineas and ferb