Mister Sinister vs Northstar Real Name
Alter Ego
Dr. Nathaniel Essex
Jean-Paul Beaubier
Alias
Mister Sinister, Dr. Nathaniel Essex, Nathan Milbury, Michael Milbury, Arnold Bocklin
Jean-Paul Martin
In Films
Not Yet Appeared
Not Yet Appeared
Love Interest
No Love Interest
Alignment
Supervillain
Superhero