
Quick answer — Yutaka Balletta voices Uruu Seiren in Fairy Ranmaru, Eckhart in The 8th Son? Are You Kidding Me?.
Yutaka Balletta voices Uruu Seiren (Fairy Ranmaru), Eckhart (The 8th Son? Are You Kidding Me?).
Uruu Seiren is voiced in Japanese by Yutaka Balletta.