The Case: Who is this mystery person? Can you deduce "who done it" from the clues?
Clues:
I am a fictional male, but rumor has it that I existed
I have a taste for observation and deduction
I fought against a professor
It’s my business to know what other people don’t
Hint #1:
I am British
I magnify things to look for solutions
My silhouette is famous
Robert Downey Jr. played me in many movies