I think I recall reading somewhere that Stentor, while useful, was not really admired by the Greeks, and regarded as a loudmouth.
Off on a tangent, an idea we get from mythology is the use of a ball of string to find way back out of a maze, after Ariadne's giving Theseus a ball of string to escape from the Labyrinth, after slaying the Minotaur. But our word "clue" apparently is not the Greek word. Who remembers that? I don't.
There are a lot of mythology sites. Here is a fairly good one to start with:

http://www.oup-usa.org/sc/0195143388/glossaries/phrase_s.html