Mark Andreas Sheppard (born 30 May 1964) is a British actor and musician. He is often credited as Mark A. Sheppard. Sheppard is known for playing the demon/King of Hell Crowley on Supernatural and for his recurring roles as lawyer Romo Lampkin on the Battlestar Galactica reboot, Interpol investigator James Sterling on Leverage, and small-time crime lord Badger on Joss Whedon's Firefly.
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The “Batverse” is the name for the hypothetical universe in which the hypothetical shows “The Batman”, “Justice League”, “Justice League Dark”, “Elseworlds”, “Young Justice”, “Batman Beyond” and their hypothetical related media take place.
