One that creates myths or mythical situations.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "mythmaker" in a sentence
"Likewise, no evidence is incompatible with mythicism - as long as one is willing to posit an arbitrary mythmaker who invents things for no obvious reason, and who often expresses himself so poorly that one often gets the "wrong impression" that he is talking about a historical figure."
"It was a mythmaker of a dress, with a full skirt and fitted bodice."
"He dismissed Stephenson as a self-serving mythmaker: a puerile grandee, whose assertions were little more than the “dangerous hallucinations” of an isolated old man heading toward second childhood.97 This judgment was perhaps too harsh."