"Consume the darkness, return it to light." —Riku
- Jaden will first meet Riku in The Jaden Sora Power Hour.
- Riku will attend Jeffrey and Aqua's wedding in Key of Flaming Union.
- Riku will meet Jaden again and Jeffrey in Jeffrey, Jaden & Friends' Storm Adventures of Kingdom Hearts: Dream Drop Distance.
- Riku will guest star in Jeffrey, Jaden, Hiccup and Friends' Storm Adventures of Disney's Believe.
- Riku will guest star again in Jeffrey, Jaden & Friends' Storm Adventures of Avengers: Age of Ultron.
- In the Thunderbolts Adventure Series, Courtney considers Riku to be her brother-in-law and as an uncle to Sofia, Ryan, and Baby Skye.
- Likely Riku would fall in love with Namine but it’s more of a promise to Repliku but hey whatever floats your boat
- Riku will meet Twilight in Twilight's Adventures of Kingdom Hearts.
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