Answer:
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
In your fire you hear me scream, creaking and whining, yet I am dead before you lay me in your hearth.
Round as an apple, deep as a cup, and all the kings' horses can't fill it up. What is it?
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
I have three hundred cattle, with a single nose cord
Special abilities and brightly colored underwear are all you need to be one of these.