The Mario franchise is the best-selling video game franchise of all time. Over 210 million units of the overall Mario series of games have been sold. Outside of the Super Mario platform series, other Mario genres include the Mario Kart racing series, sports games such as the Mario Tennis and Mario Golf series, role-playing games such as Super Mario RPG and Paper Mario, and educational games such as Mario Is Missing! and Mario's Time Machine. The franchise has branched into several mediums, including television shows, film, comics, and licensed merchandise. Since 1995, Mario has been voiced by Charles Martinet.