big cheese (noun)

1. In the new action movie, the big cheese of the criminal organization is played by a renowned actor.

2. The big cheese of the ghostly haunted house is finally revealed in a terrifying twist at the end of the movie.

3. The novel follows the rise and fall of a young protagonist as he strives to become the big cheese of the criminal underworld.

4. In the comic series, the superhero faces a formidable challenge when he confronts the big cheese of supervillains.