Dr. Sivana vs Blue Devil Real Name
Alter Ego
Thaddeus Bodog Sivana
Daniel Patrick Cassidy
Alias
Thaddeus Bodog Sivana Doctor Sivana Dr. Sivana Sivana The World's Wickedest Scientist
Big Devil Blue Devil Blue Demon Daniel Patrick Cassidy Danny The Blue Devil
In Films
Not Yet Appeared
Not Yet Appeared
Love Interest
No Love Interest
No Love Interest
Identity
Public Identity
Secret
Alignment
Supervillain
Superhero