The link below might be helpful.
moran(calones) Professor James Moriarty was Sherlock Holmes nemesis.
It is in the short story¨"The Final Problem," which can be found in the book 'The Memoirs of Sherlock Holmes.'
You have to click on the masks above the mellow drama door. the word is nemesis
Sherlock Holmes' arch nemesis is Professor James Moriarty. Their relationship is one of intense rivalry and intellectual challenge, with Moriarty being a criminal mastermind who matches Holmes' intelligence and cunning. They are often portrayed as two brilliant minds pitted against each other in a battle of wits.
Sherlock Holmes' real name is Sherlock Holmes.
Sherlock Holmes 3
.... Sherlock Holmes
Sherlock Holmes
Sherlock Holmes.
"Young Sherlock Holmes" (1985). Stars Nicholas Rowe as Sherlock Holmes, Alan Cox as John Watson.
Sherlock Holmes's is the more proper form though Sherlock Holmes' is also acceptable. Please check the link below.
Sherlock Holmes and Professor Moriarty are often portrayed as nemesis in literature, with Moriarty serving as Holmes's archenemy and intellectual equal, constantly challenging him with his criminal schemes and intricate plans. Their dynamic showcases the classic nemesis trope of two characters locked in a perpetual battle of wits and skill.