Ultra-Superman: The Superman of the year 100,000 A.D.
"Don't let my looks shock you, Lois! I am not the inferior Superman you know! I am the ULTRA SUPERMAN, from the year 100,000!" (Act No. 256, Sep 1959 "The Superman of the Future!")
An alias employed by Superman in September 1959 when he poses as the Superman of the year 100,000 A.D. as part of an elaborate plan to thwart an anticipated assassination attempt on the life of President Dwight D. Eisenhower by Dirk Folgar aka Agent X-3 (Act No. 256, Sep 1959 "The Superman of the Future!").