Complex sentence: He is the founder of the film production company Wiseau Films, and is best known for his film "The Room" (2003), which has been described as "one of the worst movies ever made" and has gained cult film status.
Split into simpler sentences: He is the founder of the film production company Wiseau Films. Wiseau is best known for his film "The Room" (2003), which has been described as "one of the worst movies ever made" and has gained cult film status.