Cheese-kun is an iconic stuffed toy that C.C. earned through points by the purchasing of pizza. She goes few places without it.
Cheese-kun is an icon character that first appeared i the anime series Code Geass Lelouch of the Rebellion that was created by Goro Taniguchi & Ichiro Okochi. The character is best known as the stuffed animal toy that C.C. constantly travels with and it frequently embarrassing. Though, the character is not unique to this one toy. It is a mascot character of the Pizza Hut company in the series. This association as never made in the US airing of the series since all the Pizza Hut logos were removed for both the airing on television and DVD for the American release of Code Geass.
1st Code Geass appearance
The item of a stuffed toy was not actually the first appearance of Cheese-kun. In the Code Geass Episode 1, there was a bystander who was taking a picture of the crash site that had a Cheese-kun charm attached to his cellphone.
The character quickly became a popular icon of the Code Geass series. It is frequently shown in numerous art images, both official and fan created. The popularity became high enough that real stuffed versions were create in various sizes.