A more descriptive name for a fictional detective character, written about by Sir Aurthur Conan Doyle, representative of what his successes in sleuthing would be called if a person were to actually solve cases using the far fetched gambles he commonly employs as "deductive reasoning".
Sherlock Holmes's smarter older brother: "What? You went to Sherlock for advise? Of course you got steered wrong lad! A better name for HIM would have been Sheer Luck Holmes!"