Gusteau died of a broken heart afterwards, reducing it to a three-star restaurant. Gusteaus sous chef, Skinner, then inherited the restaurant and started a frozen food line using Gusteaus image, but he himself was not as innovative as Gusteau. Thus, the restaurant sank into obscurity.

why is the movie called ratatouille? For two reasons: The main character is a rat, so its a fun word play. The food, ratatouille (a vegetable-like meal), is the dish that was served by Emil (the rat) to the famed food critic, Anton Ego at the near end of the movie.

In respect to this, is Linguini really Gusteaus son?

Gusteaus ownership of the restaurant was handed over to his sous chef Skinner, who was not exactly faithful to his bosss ideals. He later appears as Remys guide, leading him to Gusteaus. It is later revealed that Alfredo Linguini is really the son of Gusteau.

Is Ratatouille the movie French or Italian?

The title refers to the French dish ratatouille, which is served at the end of the film and also references the animal type of the main character, a rat.