Riku

Riku is a character in Xenoblade Chronicles 3. He is a mechanic in Keves's army and a companion of Noah, Eunie, and Lanz.

Trivia

 * Riku's role is similar to Citan Uzuki from Xenogears.
 * Both are mentors to the main protagonists.
 * Both are engineers who like to tinker with machines.