Where did sparky get his nickname?

Sparky got his nickname from a childhood experience when he was known for his energetic and lively personality, reminiscent of a spark. The name was popularized by the famous cartoonist Charles Schulz, who used it for his character Sparky the dog in the Peanuts comic strip. Additionally, the nickname has been associated with various sports figures and pets, often reflecting a spirited or lively demeanor.