His appearance differs slightly between his two appearances. In "Pinewood Derby", he wears a black suit and tie, as well as the Mexican presidential sash. In "The Last of the Meheecans", he appears in a dark blue suit with a red and blue tie and a small Mexican flag lapel pin.
He also appears to have aged visibly in between his two appearances.
- Felipe Calderón to Mantequilla: "As we Mexicans know, nothing is more important than family and friends. You are welcome to live with us, Mantequilla, but you must follow your heart. Do you want to stay here with us, or do you want to go back to your amigos?" from "The Last of the Meheecans"