Titles he worked on include Dungeon Siege, Grimm Fairy Tales, Avengelyne, Voodoo, Grifter and the Mask, Secret Files, WildC.A.T.S., X-Men Unlimited, Captain America, Star Wars - A New Hope, Purgatori, Titan A.E., Exposure, Knockout, Mystic, Peter Parker - Spider-Man, Spider-Man, Threshold, and Ana - Jungle Girl.

According to his art agency (Glass House Graphics, which Rio joined in the mid-1990s), the apparent cause was suicide by hanging.

His funeral was held at Cemitério São João Batista in Fortaleza, Ceará, Brazil.

He was survived by his wife, Zilda, and three children: Renan, Andrielle and Isabelly.

[2] In July 2013, it was announced that producer Kevin VanHook was developing a television series based on Exposure, the Red Giant Entertainment comic book series that Rio created with agent David Campiti.