Riku is one of several original characters appearing in Kingdom Hearts and also one of the main characters in the series. Riku lives on Destiny Islands. He is the best friend of Sora and Kairi. Riku's name is derived from the Japanese word for "Land". This character is popular among cosplayers. It can be portrayed by wearing cosplay Riku costume and cosplay Riku wig. This character is always present in a Kingdom Hearts cosplay.