Lost Mariner

When the Lost Mariner was young he helped Quake deliver two of the Oracle Keys to Nuuma. Many years later he helps the Spider Riders get through a fog when they were under attack from Beerain and her Stingrays in "Ghost Ship".

With the task done, he mysteriously disappeared, frightening Igneous, believing he was a ghost. Whether or not he is a ghost is never revealed, until the very end of the series. When he and his ship arrive to retrive Quake. He is the great, great, great grandfather of the ship builder Quint.