Kevin Spifenmeister
Kevin Spifenmeister is a non-intractable NPC who is rarely mentioned, but is known for his part in the Spiffo's fast-food chain.
Overview
From information given by the Secrets of Spiffo's Special Sauce Home VHS tape, we find out that Kevin and his brother John Spifenmeister founded the Spiffo's brand in Raleigh, North Carolina in 1940.
Overall, the information on both brothers is lacking, but might be added with more updates.