Detective name: Sherlock Holmes ( Robert Downey Jr.) in "Sherlock Holmes" (2009)

Sleuthing style: A pipe and deerstalker hat are classic Sherlock accessories, although it's his intellect that makes him such a famed detective.

Claim to fame: The Londoner has become immediately associated with the detective trade and is frequently referenced in pop culture as a prototypical detective character. Guy Ritchie has the latest project in his hands, with Downey Jr. as Holmes and Jude Law as his trusty partner, Watson.