Editing Nikki

|firstgame = ''{{iw|miiwiki|Swapnote}}'' (2011)

|lastappearance = ''{{iw|miiwiki|Swapdoodle}}'' (2016)

'''Nikki''' ({{ja|ニッキー|Nikkī}}, ''Nikki'') is a character making her debut as the female host and mascot of Nintendo's messaging applications, ''Swapnote'' and ''Swapdoodle''. Originally created to give tips and rewards, she has since appeared in other Nintendo media, such as ''{{s|wikipedia|Art Academy: Lessons for Everyone!}}'', the Japanese [https://www.nintendo.co.jp/nintendo_news/140723/nnid/index.html Nintendo News Section], a costume in ''{{s|mariowiki|Super Mario Maker}}'', and her stand-alone game ''{{s|nintendowiki|Nikki's Travel Quiz}}''.

In ''Swapnote'', Nikki (as a Mii) would introduce the player to the application, give tips, encourage the player, and provide Nintendo-related news updates - when the app closed, she sent players a goodbye letter. She later appeared in ''Art Academy: Lessons for Everyone!'' where she would give an art lesson on drawing a Goomba as Spotpass DLC. Nikki performs the same roles as her two previous appearances in ''Swapdoodle''. She has since appeared in the Japanese [http://www.nintendo.co.jp/nintendo_news/140723/nnid/index.html Nintendo News Section] and her own title ''Nikki's Travel Quiz'', being redesigned from a Mii to a 2D illustration, and given two new friends: a panda and a cat. (the latter of whom is depicted in her Spirit artwork) After the discontinuation of the Nintendo 3DS, she has seemingly been phased out in favor of another, similarly designed, mascot character named Amelia N., who informs players of new features introduced in hardware updates on the Nintendo Switch news tab through articles written in-character.

Nikki's design is based on her 2D look as opposed to her Mii appearance. She is located on the bottom left of the screen while drawing, similar to her appearance when drawing in ''Swapnote''.

[[File:SSBUWebsiteNikki2.jpg|thumb|Nikki drawing a pinwheel with {{SSBU|Duck Hunt}}, {{SSBU|Kirby}}, and {{SSBU|Rosalina & Luma}} on [[Skyworld]].]]

*[[Bullet Bill]]: Deals strong damage and knockback as it rushes off stage

*Smash Ball: She draws a [[Smash Ball]] which fighters can attack to activate their [[Final Smash]]. Nikki can draw a Smash Ball even if the item is turned off in the [[rules]].

She cannot appear on 75m, Balloon Fight, Boxing Ring, Brinstar, Brinstar Depths, Castle Siege, Dracula's Castle, Final Destination, Find Mii, Fountain of Dreams, Fourside, Frigate Orpheon, Gamer, Gaur Plain, Halberd, Jungle Japes, Kalos Pokémon League, Kongo Jungle, Luigi's Mansion, Lylat Cruise, Mario Bros., Mementos, Midgar, Minecraft World, Mishima Dojo, New Pork City, Norfair, Pac-Land, Palutena's Temple, PictoChat 2, Pokémon Stadium 2, Rainbow Cruise, Reset Bomb Forest, Shadow Moses Island, Spear Pillar, Super Mario Maker, Suzaku Castle, The Great Cave Offensive, Umbra Clock Tower, Unova Pokémon League, Venom, WarioWare, Inc., Wii Fit Studio, Wily Castle, and Wrecking Crew. Most of these stages have dark backgrounds which would obscure her drawings, making them harder to avoid.

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SSBUWebsiteNikki1.jpg|Nikki on [[Jungle Japes]], a stage where she ironically cannot be summoned on.

*Nikki is the only Assist Trophy that cannot be used in ''Ultimate''{{'}}s {{SSBU|Final Destination}}. This could be because her drawings would be difficult to see due to the stage's dark background.

*Like [[Vince]], her function as an Assist Trophy in ''Ultimate'' is similar to the bosses {{s|wikirby|Ado}} and {{s|wikirby|Adeleine}} from the {{uv|Kirby}} series; all of these characters remain away from the battlefield, instead drawing a series of foes to fight in their stead.