Mister Sinister vs Kal-L Real Name
Alter Ego
Dr. Nathaniel Essex
Kal-L / Clark Kent
Alias
Mister Sinister, Dr. Nathaniel Essex, Nathan Milbury, Michael Milbury, Arnold Bocklin
Superman Clark Kent Earth-Two Superman Earth-2 Superman Superman of Earth-Two Golden Age Superman The Man of Steel Uncle Kal
In Films
Not Yet Appeared
Not Yet Appeared
Love Interest
No Love Interest
Identity
Secret
Secret Identity
Alignment
Supervillain
Superhero