Mrs. Arugula Hughes is a recurring character in The Mr. Peabody & Sherman Show.
"The mysterious Mrs. Arugula Hughes is the official Notary of the Mr. Peabody and Sherman Show. It's her job to stamp all the envelopes to make sure all the facts are true. Mrs. Hughes doesn't speak much, but she always replies with a simple "hurpumph"
Mrs. Hughes is an elderly woman who checks to see if Mr. Peabody's time travel envelopes are accurate, to which she always repsonds with a positive checkmark.
Following the second season finale, Mrs. Hughes takes over the world in a dark future after Peabody and Sherman cause a rift in the space-time continuum.