The Sensei is a supervillain appearing in American comic books published by DC Comics. The Sensei was created by writer-artist Neal Adams and first appeared in Strange Adventures #215. The character is a martial arts sensei and adversary of the superhero Batman, along with Deadman and several other heroes.
The Sensei. Art by Tony Daniel.
The Sensei. Art by Rick Burchett.
Ra's al Ghul is a supervillain appearing in American comic books published by DC Comics, commonly as an adversary of the superhero Batman. Created by editor Julius Schwartz, writer Dennis O'Neil and artist Neal Adams, the character first appeared in Batman #232's "Daughter of the Demon".
Cover of Batman #232 (June 1971), the first appearance of Ra's al Ghul. Art by Neal Adams.
Ra's al Ghul returns from the dead. Art by Tony Daniel.
Ra's al Ghul returns in the form of his own son Dusan al Ghul, Arabic: دوسان الغول, "The White Ghost". Art by Ryan Benjamin.
Matt Nable as Ra's al Ghul in Arrow.