DC Comics
DOCTOR SIVANA
4
APPEARANCES
3
SERIES
APPEARS
Who's Who: The Definitive Directory of the DC Universe #15
May 1986
No listings
APPEARS
Who's Who: The Definitive Directory of the DC Universe #21
Nov 1986
No listings
APPEARS
Green Arrow/Black Canary Wedding Special #1"And They Said It Wouldn't Last"
Nov 2007
No listings
APPEARS
Green Arrow/Black Canary #12"The Son of the Father. The Father of the Son"
Nov 2008
No listings
