Johnnie Waverly

In the short story The Adventure of Johnnie Waverly, Johnnie Waverly was the three year old son of country squire Marcus Waverly and his wife Ada. After he was kidnapped and police investigations appeared to reach a dead end, his parents approached Poirot for help.

Portrayals
Johnnie Waverly was played by Dominic Rougier in the film adaptation of the story in episode 3 of Series 1 of ITV's Agatha Christie's Poirot drama series.

In L'étrange enlèvement du petit Bruno, the TV film adaptation of the novel by France Télévisions, the parallel character is Bruno Zennefort.