Robin Was This Superhero's Longtime Companion
This page is the CodyCross answer for the clue below from Greece, Group 675, Puzzle 3 (Meteora Monasteries).
Question is: Robin Was This Superhero's Longtime Companion
and the answer is: BATMAN
Word Meaning:
BATMAN — (military) A servant or valet to a military officer.
Definitions from Wiktionary.