Complex sentence: He is best known for his work in comedy films, and is the founder of Apatow Productions and also developed the cult television series Freaks and Geeks "," Undeclared "and" Girls.
Split into simpler sentences: He is best known for his work in comedy films, and is the founder of Apatow Productions. He has also developed the cult television series Freaks and Geeks "," Undeclared "and" Girls.