Jerome (Three Men)

Jerome, often called J., is a self-caricature of British author Jerome K. Jerome. He is one of the title characters of Three Men in a Boat and its sequel Three Men and a Bummel, which are presented as non-fiction memoirs of the fictional Jerome.

Jerome in "Three Men and a Vampire"
Although Jerome's more mundane adventures have been well-recorded, his encounters with the supernatural are lesser known.