Dirk Gently will tell you grit and dignity are important qualities for a detective to possess. And based on that metric, he considers himself to be a pretty good detective. Of course, you can always judge for yourself:
Based on the novels by Douglas Adams, Dirk Gently's Holistic Detective Agency stars Elijah Wood as washed-up rocker Todd Brotzman. When he stumbles upon the murder scene of a millionaire, Gently — played by Samuel Barnett — wholly believes they're destined to untangle the peculiar events surrounding the mystery together, whether Todd likes it or not.
Oh, and speaking of Todd:
Dirk Gently's Holistic Detective Agency premieres October 22nd on BBC America.