I have encountered these entities within aware meditative states- not dreams.
They are not negative or evil, but they yes are clown like- tricksters and yes they seem to be magicians.
In my state they also walk in paths and in lines. They serve as teachers of humor, but I wouldn't personally get too attached to them. I personally distrust most beings that come to me. They have never caused me any harm. They teach of magic and magicians.
Those interested in such things could learn but as with everything be careful, pay attention to how you feel and use yuour better judgement.
Personally I do not have any need of them, and left them in the past long ago. This makes sense to me as myself because while I like magicians themselves I have a deep seated and shameful fear of clowns.
Best of luck to you. :)