Nintendo

Nintendo is a video game console manufacturer and software company. Before the Dreamcast was discontinued, Sega was one of it's largest competitors, but Sega now releases software for Nintendo's home and handheld consoles.

Nintendo is SEGA's rival company. Mario is Nintendo's mascot. After SEGA stopped making it's own consoles in 2001, it joined Nintendo and 3 other company's for it's games. SEGA (or Nintendo) asked Nintendo (or SEGA) to put Mario (or Sonic) and their friends for a challenge at the Beijing 2008 Olympic Games in Mario and Sonic at the Olympic Games. Sonic also joined Nintendo's Super Smash Bros. Brawl and the Nintendo Power magizine's.

Nintendo software with Sega content

 * Mario & Sonic at the Olympic Games (co-developed with Sega)
 * Super Smash Bros. Brawl