Officially acknowledged items
Crypton Future Media, Inc.
Hatsune Miku: Spring Onion - Often mistaken for a leek. This is the most common meme item to be featured of any VOCALOID and is considered the first of the item wars character items. Has been seen in many of her figurines.
Kagamine Rin & Len: Road Roller - Released in a set of Nendoroid petite were two figurines of Rin and Len in Road rollers, Len's being orange and Rin's yellow.
Megurine Luka: Tuna/Tako Luka - Tako Luka was a petite model that was sold with the Luka Nendoroid figurine, it also received a series of plush dolls and mobile phone charms. Also, her Figma model had a large model of a tuna, her other popular item.
KAITO: Ice Cream - Due to a popular meme related to his rediscovery, the ice cream has been featured in merchandise, such as the Nendoroid figurine.
MEIKO: One Cup Ozeki (Sake) - Spurred on by the items held by Hatsune Miku and KAITO, it became popular to feature MEIKO with sake. Her Nendorid figurine contains props that reference this.
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GUMI: Carrot - This item is referenced in her Nendoroid figurine, based on her overall color scheme and appearance.
Camui Gackpo: Eggplant - This item is referenced in his Nendoroid figurine, particularly the version of it with legs.[5]
Lily: Railway Crossing/Bee - These items are referenced with the release of several plushies.
Zero-G Limited
Tonio: Martini - On SONiKA's official Twitter account she established the item by making a joke about him refusing to go near any liquid substance not even partly martini based.