Sky is a smasher from San Jose, California who currently resides in Los Angeles, California, and mains Wario in Brawl and Yoshi in Smash 4, and has beaten top players such as Larry Lurr. He frequently teams up with Zex in both Brawl and Smash 4, beginning with Apex 2012. Many top players who either live with him or have stayed at his house have said that he is the best Yoshi in Smash 4, despite him not going to many tournaments. The two majors he did attend, though (Apex 2015 and EVO 2015), he has placed 49th and 129th at respectively. Sky was formerly ranked 83rd on the 2014 SSBBRank.
Sky is best known for his YouTube and Twitch channels, where he makes comedic content mainly about League of Legends, with over 850,000 subscribers on YouTube and over 250,000 followers on Twitch, and is also a stand-up comedian. He has also provided commentary for some Smash tournaments, most notably Apex 2015 and GENESIS 3.
Sky Williams has been the center of several in-jokes and memes within the Smash community, including "Sky has the best Yoshi in the world" and "Dunkey beat Sky in Smash."
Sky is ranked 3rd on the NorCal Brawl Power Rankings.