I Challenged The World Champion To A Yoyo Battle - YouTube
Ultimate Godspeed Yoyo Battle - Angel2up vs. World Champion - YouTube
Top 10 Video Game Yo-yo Masters
RHG Battle: Yoyo(Sonic Yoyo) VS Alfa(Jet Sword) by Ronnie-Jetf1ngers on DeviantArt
Kyle A. Carrozza on Twitter: "Here are Gogo and Yoyo with some of their living weapons, the Slaminals attached! Yoyo is fighting with Toucan Slam while Gogo has Bad Measure and Grafight