• Nightshade Bloom: Evokes a sense of mystery and beauty, combining the poisonous flower aspect with a fantasy feel.

• Willow Wisp: A delicate yet slightly eerie name, suggesting a connection to nature and magic, fitting the fae and cottagecore themes.

• Foxglove Fable: Foxglove is a poisonous flower, "Fable" adds a fantasy element, hinting at storytelling and magic.

• Belladonna Blossom: Belladonna is a poisonous plant, "Blossom" adds a touch of cottagecore sweetness, creating a contrast.

• Ironwood Sprite: Combines the strength of ironwood with the ethereal nature of a sprite, fitting the fantasy and fae elements.

• Moonpetal Poison: A more direct name incorporating the poisonous flower and fantasy elements, with a touch of mystery.

• Nightshade Nymph: A classic fae name with a dark, poisonous twist.

• Lavender Labyrinth: Lavender suggests cottagecore, while "Labyrinth" adds a fantasy element of mystery and intrigue.

• Thornrose Whisper: "Thornrose" combines the poisonous flower and fantasy elements, while "Whisper" adds a sense of secrecy and magic.

• Elderflower Enchantress: "Elderflower" evokes cottagecore, while "Enchantress" clearly indicates magic and fantasy.

• Petalpetal Pixie: A cute and whimsical name, incorporating the flower element with a fae creature. The repetition adds a playful touch.

• Bramble Bloom: Simple yet evocative, combining the thorny aspect of poisonous plants with the beauty of a flower.

• Mistletoe Muse: Mistletoe, while not strictly poisonous, has mystical associations, fitting the fantasy and magic themes.

• Nightshade Aria: "Aria" suggests music and magic, complementing the poisonous flower theme.

• Poison Ivy Pixie: A playful yet slightly dangerous name, combining a well-known poisonous plant with a fae creature.

These names aim for a blend of the provided themes, offering a variety of styles from whimsical to darker and more mysterious. Remember to check for existing VTubers with similar names before settling on your final choice.