Magnificus is the Dr. Sivana's handsome son. He and his father, mind-controlled by Mister Mind's species, drew Captain Marvel to Venus in a trap, where they pretended to use the World's Mightiest Mortal to help with the Venusian worms' invasion.
- Magnificus Sivana first appeared in Pre-Crisis Earth-S continuity in Whiz Comics #15 by Bill Parker and C.C. Beck. He was reintroduced in Post-Crisis New Earth continuity in The Power of Shazam! #15 by Jerry Ordway and Peter Krause.
- 6 Appearances of Magnificus Sivana (New Earth)
- 5 Images featuring Magnificus Sivana (New Earth)
- Quotations by or about Magnificus Sivana (New Earth)
- Character Gallery: Magnificus Sivana (New Earth)