Jax-Ur

Jax-Ur is a supervillain appearing in American comic books published by DC Comics, usually as an adversary of Superman. Created by writer Otto Binder and artist George Papp, the character first appeared in Adventure Comics #289 (October 1961). He has been described as "the worst troublemaker in the Phantom Zone" and was the first criminal banished there. Jax-Ur has appeared in various media outside comics, primarily in association with Superman.