Imagine if batman pulls down the riddlers pants, and finds yet another riddle written in fine print on his cock. "Solve the riddle, and I am yours." he says, and then it reads:
I start with a breath, but I am not a sigh, I can make you feel good without asking why. I am sometimes given, sometimes earned, and leave a smile when it's returned. What am I?
and then batman goes, "A blowjob, master" and then riddler goes "very good batboy, now use that mouth of yours and clean this dick." and then batman shlobs his knob while the riddler holds him by the bat ears.