Monday, September 21, 2026

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M&S ‘Colin the Oreo Caterpillar’ Cake Mockup Appears

A Brand Collaboration Concept

A new mockup imagines a powerful alliance in the UK cake aisle: Marks & Spencer’s Colin the Caterpillar and the global biscuit brand Oreo. The concept, presented in familiar M&S packaging, positions the product as a ‘Real Flavour Innovation Edition’, suggesting a special release rather than a permanent line extension.

The design shows the classic caterpillar shape adapted with a black and white, cookies-and-cream theme. This type of high-profile brand crossover is common in confectionery and ice cream, but would be a significant move for Colin, who has traditionally remained an exclusively M&S property. The caption that accompanied the image was direct: “Colin the Oreo Caterpillar! Would you devour this?”

The Existing Colin Empire

The plausibility of such an idea rests on the sheer scale of the existing Colin the Caterpillar brand. What began as a single chocolate sponge roll in 1990 has expanded into a vast commercial ecosystem. Today, the core cake is sold alongside M&S Mini Colin the Caterpillar Cakes for individual portions.

The confectionery range is even broader, demonstrating the brand’s flexibility. It currently includes Colin the Caterpillar Softies, Speckles, Cola Gums, Fruit Gums, and a variety of sour sweets such as Sourtastic, Sour Stomps, Cherry Gums, and Fruit Sours. The name also extends to partyware, with licensed M&S Colin the Caterpillar Party Cups and Party Time kits, cementing its status as a celebration staple.

A Flavour-Led Innovation

While Colin has appeared in many seasonal guises for events like Christmas, Halloween, and Easter, these have mostly been cosmetic changes involving different coloured sprinkles or edible accessories. A collaboration with Oreo would represent a fundamental flavour evolution, directly incorporating another brand’s identity into the cake itself.

Mondelez, which owns Oreo, frequently releases limited-edition flavours of its own biscuit, making the two brands strategically compatible. An Oreo Colin would merge M&S’s hold on the UK celebration market with a globally recognised flavour profile. It remains purely conceptual, but it’s a concept that understands the modern snack market’s appetite for high-impact collaborations.

What the real range looks like

The current M&S Colin the Caterpillar range extends far beyond the original cake. It includes M&S Mini Colin the Caterpillar Cakes, as well as a vast selection of sweets like Colin the Caterpillar Softies, Cola Gums, Sourtastic Gums, and Cherry Gums. An Oreo edition would be a rare flavour-led collaboration for the core cake, joining the main chocolate sponge roll.

  • M S Colin the Caterpillar Cake
  • M S Colin the Caterpillar Softies
  • M S Colin the Caterpillar Speckles
  • M S Colin the Caterpillar Cola Gums
  • M S Mini Colin the Caterpillar Cakes
  • M S Colin the Caterpillar Sourtastic
  • M S Colin the Caterpillar Fruit Gums
  • M S Colin the Caterpillar Party Cups
  • M S Colin the Caterpillar Party Time
  • M S Colin the Caterpillar Sour Stomps

Frequently asked questions

Who makes Colin the Caterpillar?
Colin the Caterpillar is an iconic own-brand product from UK retailer Marks & Spencer. The original cake was launched in 1990 and has since expanded into a huge range of related items.
Has Colin the Caterpillar ever been co-branded before?
While Colin has had numerous seasonal and event-related special editions, a major flavour co-branding with an external company like Oreo would be a new direction. The brand is typically kept entirely in-house by M&S.
Is the Colin the Oreo Caterpillar cake real?
No, this product is not real. It is a Snackfish — a fictional concept designed by the online creative page UK Snack Attack. It is not available to buy in M&S or any other stores.

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You have been Snackfished!

Snackfish :⁣⁣
[sn-a-ck-fish] verb ⁣⁣
A snack that lies about its legitimacy as an official product online for internet clout and attention. Most commonly fabricated in Adobe Photoshop or using the unofficial Snackfish AI

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