I know there have been many characters with mental disorders like The Sentry or Typhoid Mary but I was wondering if there have been any with Obsessive-compulsive disorder specifically?
Here is the definition from the International OCD Foudation -
Obsessive Compulsive Disorder (OCD) is a disorder of the brain and behavior. OCD causes severe anxiety in those affected. OCD involves both obsessions and compulsions that take a lot of time and get in the way of important activities the person values.
From the Free Online Medical Dictionary -
Disorder characterized by persistent, intrusive, and senseless thoughts (obsessions) or compulsions to perform repetitive behaviors that interfere with normal functioning.