Ma'alefa'ak (also known as Malefic and Malefic Jones) is a supervillain appearing in American comic books published by DC Comics, usually depicted as the archenemy of his twin brother, the superhero Martian Manhunter. Created by writer John Ostrander and artist Tom Mandrake, the character first appeared in Martian Manhunter (vol. 2) #0 (October 1998).