This is a real plantain squirrel, Callosciurus notatus Skull! Measuring ~2" long
The plantain squirrel, oriental squirrel or tricoloured squirrel is a species of rodent in the family Sciuridae found in Indonesia, Malaysia, Singapore, and Thailand in a wide range of habitats: forests, mangroves, parks, gardens, and agricultural areas.
***NOTE***
Skulls are natural products and therefore not always perfect. Not all specimens look exactly the same and therefore slight deviations in patterns, size and color are possible. They are all cute regardless though!