Anonymous — C. Auguste Dupin’s unnamed sidekick

The Murders in the Rue Morgue
Dr. John Watson — Sherlock Holme's sidekick

A Study in Scarlet
Ariadne Oliver — Hercule Poirot's sidekick

Elephants Can Remember
Mervyn Bunter — Lord Peter Wimsey’s butler

Whose Body?
Archie Goodwin — Nero Wolfe's sidekick

Her Forbidden Knight
Nora Charles — Nick Charles' wife

The Thin Man
Magersfontein Lugg — Alfred Campion's sidekick

The Crime at Black Dudley
Agatha Troy — Roderick Alleyn's sidekick
