Ok, my top 6 "ingenious" movie/TV characters (extra points, *, if no killing ordinarily allowed)

1) McGyver*

2) Walter White from "Breaking Bad"

3) John McClane**

4) Lupin/Assan Diop* (from French TV series)

5) Columbo*

6) Sherlock Holmes*?

* Ordinarily doesn't kill

** Kills but offset by fact that he's saving the world