Mother (series)

Mother is a series of Nintendo RPGs that consists of 3 titles. The first entry, Mother, was on the Famicon in Japan and featured the character Ninten fighting against an alien invasion lead by Giygas. Mother 2, released as Earthbound in America, featured Ness fighting the returning Giygas. Mother 3, currently a Japan only game, involves Lucas battling the Pig Mask Army lead by the Pig King.

Super Smash Bros.

 * Ness appeared as an unlockable character.
 * Mr. Saturn is an item an continues to be in all 3 games.

Super Smash Bros. Melee

 * Ness appears a a default playable character.
 * Onett and Fourside are stages.
 * Several Mother series trophies appear like Poo the martial arts fighter.

Super Smash Bros. Brawl

 * Ness and Lucas are playable characters.
 * Onett returns as a past stage.
 * The Franklin Badge appears as an item.