Yo-Bonic's Yo Be Happy yo-yo. "Lightweight, precision balanced polyproprolene gives you loads of smiles." A yellow, fixed metal axle yo-yo with a happy face on it. A popular cultural icon from the 1970s, it was also known as Smiley Face. The company was based out of Seattle, Washington. Maria Carilao, the president and CE-Yo of Yo-Bonic stills owns the yobonic domain name, despite the 404 website.