mythoclast
disbeliever
countermyth
miscreant
mythicizer
flat-earther
gainsayer
denier
antisymbolist
counterpremise
irrationalist
antiskeptic
antifanatic
realism
anticonceptualist
antimyth
corporealist
trickster
debunker
miteproof
keep telling yourself that
cheater
anti-agnostic
antifactual
slicker
deceiver
cheat
beguiler
anticreator
unbelievably
antisupernaturalist
antialarmist
disillusionizer
antisceptic
abnegator
tinfoil hatter
falsificationist
nonphilosopher
antihedonist
scotch
a posteriori
antiempiricist
antinaturalist
errorist
conspiratologist
true believer
lightworker
doubtmonger
impugner
crypto-believer