Is sprite a common or proper noun?

"Sprite" can be both a common noun and a proper noun depending on the context.

Common Noun:

* When referring to a type of being in folklore or fantasy: "The mischievous sprite danced in the moonlight."

* When referring to a type of software or program: "He used a sprite editor to create the animation."

Proper Noun:

* When referring to the specific brand of lemon-lime soda: "I'd like a Sprite, please."

Therefore, you need to consider the context to determine whether "sprite" is being used as a common or proper noun.