|“||I'll turn you into a frog.||”|
—Nanny Plum, "No Magic Day"
Nanny Plum comes off as sarcastic and cynical; at times being dismissive to authority. She can generally immature and is typically carefree about her actions. Despite this, she can be very friendly and helpful, especially towards Holly.
She finds it humorous when characters take themselves too seriously; such as the Wise Old Elf. They rival each other due to their differing opinions over the use of magic and their clashing personalities.
She has short black hair tied in a half bun. Her bangs are in a short 'baby' style. She wears a long purple dress, purple shoes and is always seen with her wand.
- She is capable of speaking many animal languages including Ladybug and Chicken, but cannot speak several of the more difficult languages, such as Mole and Aardvark.
- She likes vegetables, especially peas.
- She currently runs the official Ben & Holly twitter.
- She is an excellent cook, as agreed by a majority of the kingdom.