Gray hood

Gray Hood is a mysterious figure (spoiler alert he's actually Kaos in disguise) who helps the Skylanders to prevent Professor shadows from  taking the demon crystals and possibly destroying the world in the process.

Backstory After Kaos unleash professor shadows from the trapanium, Professor shadows has a planted to either take over or destroy Skylands once and for all .And Kaos want to prevent that from happening ,that and the resurrection of the darkness. So he made himself a disguise inspired by his hologram design (from Spyros adventure and trap team) and cover the entire face black with only white eyes.. After he's done making the disguise Kaos team up with the Skylanders, and try to prevent offense or shadows from obtaining the demon crystals. (So basically now Kaos is an antihero, get used to it)