Loyal army doctor and biographer who partners with Holmes, providing practicality and combat skills.
Their investigative partnership combines Holmes's deduction with Watson's medical and practical skills.
Their engagement motivates Watson's wish to leave Baker Street.
Watson's medical judgment confirms the apparent end of Blackwood's threat.
Watson cooperates with Adler during the decisive rescue mission.
Explore the full interactive character relationship map of Sherlock Holmes
Related entry on Wikidata (Q187349), public domain (CC0).