Olaf Friedriksen vs Joker Real Name
Alter Ego
Olaf Bjornson
Jack Napier
Alias
the Leaper Olaf Bjornson
Harlequin of Hate, King of Arkham Asylum, Red Hood, Jack Napier & Mr. Face Paint
In Films
Not Yet Appeared
Cesar romero, Heath ledger, Jack nicholson, Jared leto, Rod navarro
Love Interest
No Love Interest
Alignment
Superhero
Supervillain