Here are some name suggestions combining "poison" and "dessert" themes, exploring various name styles and interpretations:

Fantasy/Dark Fantasy:

• Nightshade Swirl: Evokes a dark, alluring dessert with a poisonous twist.
• Venomous Honeycomb: Suggests a sweet treat with a deadly secret.
• Blightbloom Tart: A decaying, yet beautiful dessert with poisonous properties.
• Nightshade Crème Brûlée: A sophisticated dessert with a hidden danger.
• Deathcap Delight: A direct and ominous name, highlighting the poisonous aspect.
• Serpent's Sweet: A mysterious and alluring name hinting at danger.
• Wyvern's Pudding: A fantastical dessert with a powerful creature's association.
• Poisoned Plum Cake: A classic dessert with a deadly twist.

Sci-Fi/Cyberpunk:

• Tox-Tart: A short, punchy name combining toxicity and dessert.
• Bittersweet Circuit: A name suggesting a complex, potentially dangerous technology.
• Data-Candy: A paradoxical name combining data and a sweet treat.
• Glitch-Glaze: A name suggesting a corrupted or unstable dessert.
• Neuro-Nougat: A futuristic dessert with neurological implications.

Modern/Mysterious:

• Nightshade: Simple, yet evocative of poison and darkness.
• Sugar Skull: A modern name with a hint of danger and the Day of the Dead aesthetic.
• Velvet Venom: A sophisticated name combining luxury and poison.
• Crimson Crumble: A name suggesting a rich, potentially dangerous dessert.
• Forbidden Fruitcake: A classic dessert with a forbidden, dangerous connotation.

Names based on specific poisonous ingredients:

• Belladonna Brownie: Using the poisonous plant Belladonna.
• Hemlock Honeycomb: Using the poisonous plant Hemlock.
• Nightshade Napoleon: Using the poisonous plant Nightshade.

Remember to consider the character's personality and role when choosing a name. A villain might suit a more overtly poisonous name, while a more subtle character might benefit from a name that hints at danger without being explicitly threatening.