The MacDonald's dame

The MacDonald's Dame is a species of monster in the Underground. She appears as a unique enemy in Waterfall, a residents of Bee Village, and the vendor of Ava.

Contrary to popular belief, killing her accrues EXP and is considered a kill by the movie, which will cause a True Pacifist Route attempt to fail.

Appearance
She resembles a human, with a long antennae hair band, long black hair, and a striped yellow and black shirt.

Personality
She shares an erratic manner of speech, where she often exclude letters, mix lower and upper cases, make inconsistencies, etc. There is one exceptions, herself in-battle will speak in somewhat proper English when denied Bee Flakes.

Trivia

 * She was originally going to be a bee version of Marinette Dupain-Cheng, this was changed.
 * She is the first unnamed character the protagonist encounters.
 * In the Dave and Ava series, her name wasn't revealed.