Glenn is a worker at the Mellow*Mart. His most important appearance is in "Not Without My Cereal" in which he seeks to catch Kick for the mess in his store. He is one of the adults who hates Kick. He is first seen in "Kick the Habit" as one of the people who want Kick to be sent to military school.
- Kick Buttowski (rival)
- Children at the Mellow*Mart