Kingdom Hearts: Riku Avatar Cell Phone Charm Cute and chibi on your cell! From the smash hit Kingdom Hearts video game series! Take him wherever you go!  This cute cell phone strap of Riku from Kingdom Hearts is absolutely adorable, don't you think? The cell phone strap features the Kingdom Hearts logo along with a mini, chibi-style Riku at the bottom. Attachable to cell phones, handheld game systems, and many more! The mini-figure measures about 1 1/4-inches tall.