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The Assist Trophy is an item in Super Smash Bros. Brawl, Super Smash Bros. for Nintendo 3DS / Wii U, and Super Smash Bros. Ultimate. It calls forth a random character to assist the player who used the item, similar to the Poké Ball item. This is unique in that the character released is from an actual Nintendo or third-party series, but is not playable. As a result, it introduces characters who couldn't make the cut as playable fighters. Almost all characters that come out of the Assist Trophy in Super Smash Bros. Brawl are invincible; however, in Super Smash Bros. for Nintendo 3DS / Wii U and Super Smash Bros. Ultimate, many characters can take damage and can even be KO'd (in the latter game, the opponent that defeats them earns a point), although characters that don't appear on the stage itself such as Andross and Nintendog remain invulnerable to attacks.