1) DC Comics planet 
Transilvane is a fictional small artificial planet with two horn-like protuberances in the {DC Universe}. It was created by Jack Kirby in Superman`s Pal Jimmy Olsen #142 and #143 (October–November 1971). Transilvane`s official name was E.T.A.S. (Extraterrestrial Artificial Simulation). It was created at the behest of NASA to simulate and study.....