Speed Buggy, an orange dune buggy nicknamed "Speedy" who has the ability to talk and solve mysteries. His headlights and front grille serve as his eyes and mouth, respectively. He served as the "wacky hero" of the series with St. Bernard-like qualities. Blanc's frequent work as a voice actor with Hanna-Barbera landed him the position. His voice was similar to the Maxwell automobile he portrayed on the radio series The Jack Benny Program.