amputee
autograph
bad anatomy
bad illustration 
bad proportions
beyond the borders
blank background
blurry
body out of frame
boring background
branding
cropped
cut off
deformed
disfigured
dismembered
3D render
aberrations
abstract
anime
black and white (optional)
cartoon
collapsed
conjoined
creative
drawing
extra windows
harsh lighting
illustration
jpeg artifacts
low saturation
monochrome (optional)
multiple levels
overexposed
oversaturated
painting
photoshop
rotten
sketches
surreal
twisted
UI
underexposed
unnatural
unreal engine
unrealistic
video game, blur haze