Answer:
If you're looking for something sweet I know what to do. But if you don't like heat I'm not for you.
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
I roam through the lands hoping to rescue my love. I search high and low and will stomp on you if you get in my way!
Keep doing me to avoid lens dryness
When it comes to me, you go on red and stop on green. What am I?
I flow from the Homerβs mouth when he sees doughnuts.