To get characters, you must win cups.
Super mario kart
There are no unlockable characters in Super Mario Kart. Unlike later Mario Kart games, all of the characters in the game are playable from the start.
no there is no cheat you have to just play the game
As you progress through the game, completing cups, you will unlock the different characters and karts.
Yes it is since Mario Kart Double Dash is a Mario Kart game
go online and look for Mario cart character/game cheats
There's no characters in Mario Kart that are married.
Mario kart ds
Baby Mario is already one of the starting characters on Mario Kart Wii.
You cannot switch characters while in game for Mario Kart DS or Wii. You can choose your character in the selection screen before the race starts though.
Mario Kart 64.
mario kart 7 of course