Aliases and Disguises

"It is always awkward doing business with an alias." [BLUE]

Back in Episode 96, we chatted about the many disguises and other identities of Sherlock Holmes. But what about other people in the Canon who played dress-up?

Whether they were trying to dupe one of his clients or Sherlock Holmes himself, these individuals each had good reasons to be incognito. It's just a trifle.