You should spell it like mimes because their is more then one of them so u add an S.
The plural form of "mime" is "mimes."
Mime
The plural way to spell studio is studios.
The plural is resources.
The plural is cantaloupes.
The plural is cherries.
The plural is hooves.
The plural is roses.
The plural is "emeralds."
The plural of "bridge" is "bridges."
Trout is plural
The plural of "frill" is "frills".
The plural is "recesses".