Ill-favoured, and of ill repute, he is ultimately responsible for solving the mystery of the Moonstone's theft, and so for reuniting the hero with the heroine, Rachel Verinder.
[2] Where the whiter-than-white Godfrey Ablewhite conceals an evil core, the ugly Jennings hides by contrast a heart of gold.
[6] Jennings is very depressed, believing death will be an escape and that the complete oblivion of memory is the key to happiness; and the opium which used to be successful, along with the disease he has, are fast killing him.
[7] As an example of the queer 'Other', he is given a unique position within the narrative as the only figure able to solve both the mystery of the Moonstone and the marriage problem between Rachel Verinder and Franklin Blake.
He is also the only figure who is able to record events in his journal in real time, giving him the twin positions of both the external observer and also the voice of truth.