R2-H25 had plating resembling a candy cane and a candy cane on top of it's dome.
A candy cane was a type of red and white striped candy. R2-H25 was a R2-series astromech droid with plating resembling a candy cane and had a candy cane on top of it's dome.[1] A gingerbread version of Darth Vader once also owned a large candy cane and two candy canes were also part of his Gingerbread AT-AT Walker, where they were located in the place of it's[2] R-90C medium blasters.[3]
Sources
Star Wars: Droid Factory toy line (Pack: R2-H25) (backup link) (First mentioned)
LEGO Star Wars (Set: 40806 Gingerbread AT-AT Walker)