Sans from Undertale joins Smash Bros. Ultimate as a Mii Fighter costume - Polygon

The iconic lax skeleton, Sans, from Toby Fox’s Undertale is joining Super Smash Bros. Ultimate as a DLC Mii Fighter costume

Super Smash Bros. Ultimate Post-Sora Poll #1: Who are Your Most Wanted Characters for the Next Smash?, Page 2

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Super Smash Bros. Ultimate - Wikipedia

Nintendo Switch - Super Smash Bros. Ultimate - Sans Outfit - The Models Resource

Fans Lost It Over Sans Being Announced as a Smash Ultimate Mii Fighter - IGN

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Sans has become the definitive Mii Gunner. What characters should be the definitive Mii Brawler and Swordfighter? : r/smashbros

Super Smash Bros. News

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A Sans Mii Gunner costume is coming to Super Smash Bros. Ultimate later today - My Nintendo News

Sans (Undertale) - Wikipedia