Who are the main characters in Slaughterhouse-Five?

Answer 1

Billy Pilgrim is the main character in the book.

The Tralfamadorians, or the aliens are also a major part of the book.

There is also his wife Valencia, but she is a minor character.

Answer 2

The main character in "Slaughterhouse-Five" is Billy Pilgrim, a World War II soldier who becomes "unstuck in time." Other prominent characters include his wife Valencia, fellow soldier Roland Weary, and the Tralfamadorians, an alien race Billy encounters during his time travels.