Difference between Colossus and Heavyweight

Colossus

Part of speech: noun

Definition: A statue of gigantic size. The name was especially applied to certain famous statues in antiquity, as the Colossus of Nero in Rome and the Colossus of Rhodes, one of the Seven Wonders of the Ancient World. Any creature or thing of gigantic size.

Heavyweight

Part of speech: noun

Definition: A very large, heavy or impressive person.The professional boxing weight division for boxers weighing more than 190 pounds; a boxer in that division.A similar division and contestant in other sports.

Part of speech: adjective

Definition: Of the heavyweight boxing (or similar) division.Being relatively heavy.Being a leader in one's field.

Example sentence: There are 7 billion people in the world, but there's only one heavyweight champion of the world, and that's me.