Rupert Bear/YMMV

The original comic

 * Memetic Outfit: Rupert's trademark outfit consists of his plaid yellow scarf and trousers and red jumper. Everyone else is considered either this or Limited Wardrobe.

Tropes exclusively in the Nelvana cartoon series

 * Ear Worm: Nick Jr's version of the intro is pretty catchy.

The 2006 CGI cartoon:

 * Tastes Like Diabetes: Not as bad as most examples, but still...