The GBC's primary competitors in Japan were the grayscale 16-bit handhelds, SNK's Neo Geo Pocket and Bandai's WonderSwan, though the Game Boy Color outsold them by a wide margin. The Game Boy Color is part of the fifth generation of video game consoles. The American English spelling of the system's name, Game Boy Color, remains consistent throughout the world. As with the original Game Boy, it has a custom 8-bit processor made by Sharp that is considered a hybrid between the Intel 8080 and the Zilog Z80. It is slightly thicker and taller and features a slightly smaller screen than the Game Boy Pocket, its immediate predecessor in the Game Boy line. The GBC features a color screen rather than monochrome, but it is not backlit. It is the successor to the Game Boy and is part of the Game Boy family. The Game Boy Color (commonly abbreviated as GBC) is a handheld game console, manufactured by Nintendo, which was released in Japan on Octo and to international markets that November. Pokémon Gold and Silver, approximately 23 million units