Someone wearing just a Naruto headband

20 (or more) meter queue

Idol cosplay group

Crossplay

Shingeki no Kyojin cosplay group

Girl group cosplaying guys from the same show (e.g Haikyuu)

Guy cosplaying Astolfo

Cosplayer with prop obviously not peace bonded

Smelly people

People playing TCG (Yu-Gi-Oh!, MTG, etc.)

Circle of people sitting on the floor playing Switch

Maid outfits

FREE SPACE

Buff guy dressed as girl

Overpriced food/water

Dressed normally but cat ears/tail

MIKU

Button enthusiast

Cosplay couple

Ahegao hoodie/shirt

Lost parents

Someone fixing their cosplay on the course

Body type of cosplayer and cosplayed character do not match

"My butt/legs/feet hurt"

Program gets changed/delayed