Violet's first and last name are both after flowers. Violet, also known as Viola, is a common flower in the Northern Hemisphere, white Nightshade, also known as Solanaceae, is a flower often associated with witches.
Violet's description in MySims claims that she had a job as a kitten photographer, which she despised.
Ironically, In the DS version of MySims Agents, she owns a pet cat named Weather.
Violet is one of few Sims in MySims Kingdom that lived on more than one island.
Violet wears her hair in a ponytail in MySims Kingdom, MySims Agents, MySims Camera, and MySims SkyHeroes, but in the rest of the games, she has her hair worn down.
In MySims Kingdom, Violet once lived on the island of Spookane and sometimes regrets leaving it, but she would rather be with her sister Poppy.
In MySims Kingdom on Spookane, the lot of Grandma Ruthie's factory must have been where Violet lived before she moved to Cutopia.
On the cover of MySims Racing, Violet is dressed in her MySims Kingdom outfit, but in the game, she is dressed in her regular outfit.
After Morcubus is defeated by the star racer in MySims Racing, she appears in the cut scene after the Ultimate Cup and it is presumed she quit MorcuCorp.
In MySims Agents, Violet seems to be older than Evelyn Gray, as Violet remembers the Crown of Nightmares Project and how she and Poppy would play at Cyrus Boudreaux's mansion while their mother and the others creating the Crown of Nightmares would work on it, while Evelyn is surprised when Paul Wisniewski tells her about the Crown. Violet is also aware of who Morcubus is, while Evelyn isn't even aware at first that her father, Michael Gray, worked with him.
In MySims Agents, if you send Violet on Liberty's Dispatch mission, She will tell you that she has a snake tattoo on her body, but wont tell you where it is, (it could be possible that she got it from Justice's Temporary Tattoo Parlor).
In the Wii version of MySims Agents, Poppy tells you that she wants Violet to open a flower shop which Violet does in the DS version of MySims Agents.
If you send Violet on the dispatch mission One More Time, she will tell you that she thought she saw Dogwood, Poppy's dog, being kidnapped by Morcubus, meaning that it's her fear (which happened at the beginning of the game).
In MySims SkyHeroes, she could have been a member of Specter Squadron, as she has their logo on her hat, but for the game, was made a member of SkyForce.
If you send Violet on Jenny's dispatch mission, she will reveal that she and Poppy love Starcruiser X and always watched it together.
If you send Violet on Marlon's second dispatch mission, she will mention Cutopia and Spookane wondering if they were harmed.
In MySims SkyHeroes, she is much more sociable and optimistic than in previous games.
In MySims SkyHeroes, she acts as Justice's second-in-command and logistics advisor, and the two have what could be seen as a father-daughter relationship.
In MySims SkyHeroes, if you complete the mission Ninjas Flipping Out before 1.23 Jigawatts Required, Violet will tell you that she only joined the SkyForce to protect Poppy.
In The Sims 4, Violet appears as one of the MySims trophies that can be collected by players. She is a rare trophy and described as: Dark and dramatic, Violet Nightshade nonetheless has a beautiful heart. She does her best to take care of her kid sister, Poppy, even if it usually gives her one of those headaches that sits right above her eye.
Before one of the newer updates for The Sims 4, her name was referred to as "Darkshade" rather than" Nightshade". Eventually it was changed back to "Nightshade".
In The Sims Mobile, the Violet trophy appears again as a Heirloom charm