will also appear in crossovers with stories featuring other DC flagship characters from time to time. Of his Justice League colleagues, classic stories depict Ollie as having an ongoing feud with Hawkman owing to their differing outlooks on life, and more recently, he has been depicted as a good friend of his Justice League United colleague Animal Man. Green Arrow has also been a member of the Outsiders, both in its incarnation as a covert superhero team led by Batman and in its New 52 form as a secret society based around various weapon clans, including an Arrow Clan which Oliver is the rightful head of. In the Golden Age of Comic Books, Green Arrow and Speedy were also affiliated with the superhero group the Seven Soldiers of Victory. Recurring Green Arrow villains of course include his archenemies Merlyn, a master archer, and Count Vertigo, a foreign dignitary with the power to disrupt his enemy's balance and perception. Other recurring villains have included China White, Clock King, Cupid, Brick, and Constantine Drakon. Since the 2000s, the longstanding DC supervillain Deathstroke has often been depicted as having a particular grudge against Green Arrow. Other versions Earth-Two For many years, DC Comics wrote stories in what it called a Multiverse, or a series of infinite parallel Earths. This allowed DC writers to freely retcon and retell stories, as well as explain continuity mistakes. The Green Arrow of the 1940s, like all Golden Age characters at that time, resided on Earth-Two and was a member of the Seven Soldiers of Victory and All-Star Squadron along with his sidekick Speedy. Despite having a different origin than the modern Green Arrow, the Golden Age character's development largely parallels the modern one's. During DC's landmark event Crisis on Infinite Earths, Green Arrow assists Changeling of Earth-One and Mento of Earth-One in fighting Shaggy Man II of Earth-One. While noticing that Shaggy Man is not a living being, he defeated it with an explosive arrow. Green Arrow was among those who were killed by the Anti-Monitor's Shadow Demons which he tried to fight in Chicago. The Anti-Monitor's defeat destroyed all the planets of the Multiverse and rebooted the DC universe with a single Earth. Modern DC alternate universes DC's weekly series 52 established a new 52-Earth Multiverse. The ongoing series Countdown showcased several of these. On Earth-3, an evil equivalent of Green Arrow is a member of