Answer:
The characters' personalities in "When Greek Meets Greek" are mostly developed by the author through colorful dialogue interspersed with colloquialisms.
Step-by-step explanation:
"When Greek Meets Greek" is the story of two men that hardly try to con each other and they both pretend and believe to be the successful one when in fact no of them is any of that. The use of ordinary and routinary events and simple context-based in normal people give the story the personalities of the two men.