Tuesday, September 8, 2026

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Aero Peppermint Bubbly Colin the Caterpillar Mockup

A Bubbly Crossover

The latest design concept to get people talking reimagines one of the UK’s most established celebration cakes. This new mockup gives the classic M&S centrepiece a mint chocolate twist, courtesy of another famous brand: Nestlé’s Aero. Presented in the familiar long window box, the cake itself is a vivid mint green, complete with the standard white chocolate face and feet. The box branding is a clean fusion of the two products’ logos and colour schemes.

The concept, captioned “Aero Peppermint Colin the Caterpillar looks MINT! Would you try this bubbly cake?”, suggests a cake that incorporates Aero’s signature aerated texture. It is a simple idea. It is also a powerful one. A pairing of two such recognisable brands from different parent companies is rare, which is likely why the image has captured attention.

The Colin Empire

A flavour extension for Colin the Caterpillar is hardly a radical proposition. The character has long since expanded beyond his original chocolate sponge roll format into a sprawling product universe. He is M&S’s most valuable piece of food IP. The brand has diversified the caterpillar into a vast range of sweets and partyware, treating him more like a Disney character than a simple cake.

On shelves today you can find M&S Colin the Caterpillar Softies, Speckles, and a whole roster of gummy sweets including Cola Gums, Cherry Gums, Fruit Gums, Fruit Sours, and Sour Stomps. That’s before you get to the Mini Colin the Caterpillar Cakes for individual portions, or the non-edible items like Party Cups and even Paper Plates. The core product has a huge support network.

What the real range looks like

The current M&S range is enormous, covering everything from the original M&S Colin the Caterpillar Cake to spinoffs like Colin the Caterpillar Softies, Cola Gums, Fruit Sours and even paper partyware. A new flavour variant like Aero Peppermint Bubbly would join a product line that has already moved far beyond simple chocolate cake.

  • 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 Fruit Gums
  • M S Colin the Caterpillar Party Cups
  • M S Colin the Caterpillar Party Time
  • M S Colin the Caterpillar Sour Stomps
  • M S Colin the Caterpillar Cherry Gums

Frequently asked questions

Who is Colin the Caterpillar?
Colin the Caterpillar is the signature celebration cake from Marks & Spencer. Launched in 1990, the chocolate roll cake with a decorative chocolate shell and sweet face is a fixture of British birthday parties.
What flavour is a standard Colin the Caterpillar?
The original M&S Colin the Caterpillar is a chocolate sponge roll filled with chocolate buttercream. The whole cake is then covered in milk chocolate and decorated with sugar-coated milk chocolate beans.
Is the Aero Peppermint Colin the Caterpillar cake real?
No. The Aero Peppermint Colin the Caterpillar is a Snackfish — a mockup created by the design page UK Snack Attack. It is a piece of concept art and is not on sale anywhere.

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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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What is a Snackfish

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