Dr. Sivana vs Johnny Thunder Real Name
Alter Ego
Thaddeus Bodog Sivana
John L. Thunder
Alias
Thaddeus Bodog Sivana Doctor Sivana Dr. Sivana Sivana The World's Wickedest Scientist
John L. Thunder Johnny Thunderbolt
In Films
Not Yet Appeared
Not Yet Appeared
Love Interest
No Love Interest
No Love Interest
Identity
Public Identity
Secret Identity
Alignment
Supervillain
Superhero