Tags: Comics Character.
Doctor Ub’x is a fictional character in the DC Universe. He first appeared disguised as the villain Polestar in Green Lantern Corps #201 (June 1986) then disguised as the villains Truk Malignon and his true form in Green Lantern Corps #202 (July 1986). Ub’x was named after the famed Walt Disney animator Ub Iwerks.