World War Blue

Watch World War Blue full episodes online English dubbed.
Other name: Aoi Sekai no Chuushin de
Synopsis: Segua Kingdom has been losing the war against Ninterdo Empire but the tables are turned by the appearance of a boy called Gear. All the characters are parodies of Nintendo or Sega games such as Sonic the Hedgehog, Super Mario Bros., The Legend of Zelda etc.
Sources: Myanimelist