Author of "The Eagle and the Fox" and "The Fox and the Lion" (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
aesop
(Other definitions for aesop that I've seen before include "A pose by Greek writer of fables" , "he wrote in Greek" , "Greek author of fables (c 620-560 BC)" , "very old writer" , "satirical writer" .)