What am I?

I describe a toilet cleaner as well as one of Santa’s reindeer. What am I?

I'm simple for a few people. But hard for them to hear. I live inside of secrets. I bring people's worst fears. What am I?

Two in a whole and four in a pair. Six in a trio you see. Eight’s a quartet but what you must get is the name that fits just one of me. What am I?

I run but have no feet. I roar but have no mouth. I wear a belt but have no waist. I always drink but never eat. What am I?

Riddles and Answers