The phrase “does he know riddler” is a query that may be interpreted in a number of methods. It may very well be asking if somebody is conscious of the Batman villain generally known as the Riddler, or it may very well be asking if somebody is ready to resolve riddles. In both case, the phrase is probably going for use in a context the place the speaker is attempting to evaluate the data or talents of the individual they’re talking to.
Within the context of the Batman comics, the Riddler is a villain who is thought for his love of puzzles and riddles. He typically leaves clues for Batman to unravel with a purpose to catch him. As such, the query “does he know riddler” may very well be used to evaluate somebody’s data of the Batman mythos. If somebody is ready to reply the query accurately, it means that they’re accustomed to the character and his strategies.