Leonardo.  An Icelandic fly of origin.  Smaller sizes are particular popular.

The Black Doctor is a variant of one of the families of classic traditional salmon flies and one of the most popular of all the classic salmon flies. The Blue Doctor was originally created by James...

A true Canadian fly, first tied by late Warren Duncan in 1979. It’s one of the most popular flies around; generally tied on doubles or trebles, though single hooks are more popular in North America...