Decka

Decka is the best friend of Orb he was kidnapped and put in a cage by Mayor Coleman,to make him make gold,but wendMayor Coleman fed him meat he transformed in to his feral form in which cause him to eat all meant in the planet and multiply.Ben as Echo Echo defeat him by letting him eat the echo echos which are made of silicon which his species are allergic to,after he return to normal he said that he will not return to earth and will tell the others.