Despero () is a supervillain that appears in comic books published by DC Comics. The character first appears in Justice League of America #1 (October 1960) and was created by Gardner Fox and Mike Sekowsky. Debuting in the Silver Age of Comic Books, the character is a pink-skinned humanoid extraterrestrial with three eyes and psychic superpowers. Despero has appeared in both comic books and other DC Comics-related products such as animated television series and feature films, trading cards, and video games. He is an enemy of the Martian Manhunter, Booster Gold, the Green Lantern Corps and the Justice League. Despero appeared in the live-action Arrowverse television series The Flash in the eighth season in the five part event Armageddon, portrayed by Tony Curran. In 2010, IGN named Despero the 96th-greatest comic book villain of all time. Publication history Despero first appeared in Justice League of America #1 (October 1960) and writer Mike Conroy noted: "It was the first of several run-ins the would-be universe conqueror would have with the superteam". Despero became a semi-regular villain and returned in Justice League of America #26 (March 1964), #133–134 (August–September 1976), and #177–178 (April–May 1980). The character made cameo appearances in Justice League of America #247–250 (February–May 1986) and then featured as the main villain in issues #251–254, dated June–September 1986. Despero returned in an extensive story arc in Justice League America #37–40 (April–July 1990) and Justice League Europe #30–34 (September 1991–January 1992). The character's body reappeared as the host for L-Ron in Justice League Task Force #0 (October 1994), #13–33 (June 1994–March 1996), and #37 (August 1996) and Justice League International (vol. 2) #67–68 (August–September 1994). Despero reappeared in spirit form in Supergirl (vol. 4) #17–18 (January–February 1998) and Young Justice #6 (March 1999). Despero eventually reappeared whole in the graphic novel JLA/JSA: Virtue and Vice (December 2002), and featured in the "Crisis of Conscience" storyline in JLA #115–119 (September– November 2005), Superman/Batman #33 (March 2007), and Trinity #4 (June 2008). Despero returned to a more human form in an alternate universe storyline in Booster Gold (vol. 2) #5 (February 2008) and #7–10 (April–August 2008). The character returned in Justice League of America (vol. 2) #38 (December 2009) and featured in R.E.B.E.L.S. Vol. 2 #12–13 (March–April 2010). Fictional character biography Despero first appears when in pursuit of two rebels from the planet Kalanor, which he rules as a tyrant (in Pre-Crisis it